190 results found.
... Science Frontiers ONLINE No. 100: Jul-Aug 1995 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology Microbes threaten radiocarbon dating Astronomy Has jupiter flashed before? A POT POURRI OF MARTIAN CUSIOSITIES (AND WE DON'T MEAN "FACES" AND "PYRAMIDS") Biology Anomalous larvae and the burning of heretics When humans were an endangered species Straight from the horse's ear The watchmaker is not blind after all! Geology Weird icicles Giant sea-bed pockmarks Geophysics Anomalous phenomena associated with the 1908 tunguska event How can the moon affect the earth's temperature? Kobe quake jostles the geo- magnetic field Superhail Physics When different universes rub together Another starchy anomaly Unclassified Unidentified object ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Unusual Lunar Halo July 29, 1993. North Pacific Ocean. From the m.v . BP Admiral . "At 1045 UTC a large, very well defined and complete halo was seen around the 10-day-old moon. Vertical angles were taken by sextant while horizonal angles were found by gyro repeater. ". .. the area inside the halo was inky black with the inner edge of the halo being very clear cut and well defined; a 'spiked' effect was seen on the outer edge." (Ronald, J.M .; "Halo," Marine Observer, 64:105, 1994.) Comment. The angular diameter of the halo is normal, but the inky black interior is very rare. The same dark effect is sometimes seen between primary and secondary rainbows and has an acceptable explanation. However, the radial spokes are not accounted for by halo theory. From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 99: May-Jun 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Ballistic Panspermia Scientists are already convinced that cratering events on the moon and Mars have propelled rocky debris in the direction of the earth, and that some of these fragments have landed here in the guise of meteorites. A logical question is: Can life forms and/or chemical precursors of life be transported thus across the far reaches of the solar system? Can one planet infect another ballistically? An analysis by M.K . Wallis and N.C . Wickramasinghe is rather warm towards this idea: "The mass of escaping ejecta from the presumed 10-km comet that caused the 180-km Chicxulub crater, with a radius of roughly 10 km and 1 m deep, amounted to ~300 Mm3 , of which one third may have been rock and 10% higher-speed ejecta that could have transited directly to Mars. It may have taken 10 Ma to impact Mars but...the probability is not exceedingly low but 0.1 -1 %. "The survival and replication of microorganisms once they are released at destination would depend on the local conditions that prevail. Although viability on the present-day Martian surface is problematical, Earth-to-Mars transfers of life were feasible during an earlier 'wet' phase of the planet, prior to 3.5 Ga ago. The Martian atmosphere was also denser at that epoch, with several bars of CO2 , thus serving to decelerate meteorites, as ...
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... Science Frontiers ONLINE No. 98: Mar-Apr 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Yagi Watches A Solar Eclipse During the partial solar eclipse of July 11, 1991, D. Emerson had his Yagi antenna pointed in the direction of the phenomenon. His receiver was tuned to 145.8 MHz. The sun is always emitting radio noise, and one would expect that the moon passing in front of the sun would gradually cut off most, but not all, of the radio noise picked up by the antenna and, after the eclipse's midpoint, the noise would increase back to normal levels. Instead of the expected: Radio noise power measured during a partial solar eclipse. The arrows indicate the stages of the eclipse "There was no radio evidence of any effect of the solar eclipse until 1822 UTC, 58 minutes after the start of the eclipse. At that point, all detectable solar emission disappeared within the space of about nine minutes. The emission did not start to reappear until 72 minutes later, at 1943 UTC, and was fully restored by 1951 UTC, 13 minutes before the end of the eclipse, which occurred at 2004 UTC. "The fact that radio emission disappeared and reappeared fairly abruptly part way through the eclipse indicates that most of the radio emission was occurring from one discrete point on the sun's surface rather than from the entire solar disc." (Emerson, Darrel; "Radio Observations of Two Solar Eclipses," QST , p. 21, February 1995 ...
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... Science Frontiers ONLINE No. 101: Sep-Oct 1995 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology FROM THE SUNSWEPT LAGOON Astronomy THE METAL-FROSTED MOUNTAINS OF VENUS! ALH 84001: A MESSAGE FROM MARS OR PERHAPS SOME OTHER PLANET IRONCLAD PROOF OF THE MOON'S ORIGIN? Biology THE ALGORITHMIC BEAUTY OF SEASHELLS MORE HEAR EARS DRAGON FISH SEE RED MALE DOLPHIN KILLS MAN Geology POLAR-BEAR BONES CONFOUND ICE-AGE PROPONENTS A TRIPLE ANOMALY IN A DIAMOND THE GIANT LANDSLIDES OF HAWAII "ALMOST INCONCEIVABLE" CHANGES IN THE GEOMAGNETIC FIELD CHINA'S BERMUDA TRIANGLE Geophysics DEATH WAVES AND SEEBARS STRANGE PHENOMENON DETECTED BY RADARS AND SATELLITES AN ASTONISHING MEDLEY OF BIO LUMINESCENT DISPLAYS Unclassified THE GREAT EXODUS ...
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... collision interpretation is encouraged by the 1994 impacts of cometary fragments on Jupiter proper. In the case of Io, however, there is another possibility: electrical arcing. Io's volcanoes are prodigious spewers of metallic sodium, and T. Gold has speculated that colossal arcs may occur in this conducting environment as Io cuts through Jupiter's magnetic field. (See Science Frontiers #10. (O 'Brien, Roger; "Has Jupiter Flashed Before?" British Astronomical Association, Journal, 104:6 , 1994.) Comment. Io is also noted for its erratic brightening after it emerges from Jupiter's shadow. For more on Io's so-called "post-eclipse brightening," see p. 67 in the book Science Frontiers and the catalog volume The Moon and the Planets, both described here . From Science Frontiers #100, JUL-AUG 1995 . 1995-2000 William R. Corliss ...
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... , as any other rocky planet?" A2. Probably because a giant impact tore off its rocky mantle. Q3. "How can Neptune sustain 1400-kilometer-per-hour winds -- faster than Jupiter's -- when it is so far from the sun, whose heat powers atmospheric circulation?" A3. ?? Q4. "How could Mars -- now more than 50 C below freezing -- have been warm enough in its early days to have water flowing on its surface?" A4. Possibly due to geothermal heat. (Kerr, Richard A.; "The Solar System's New Diversity," Science, 265:1360, 1994.) Reference. A large collection of solar-system anomalies exists in our catalog volume: The Moon and the Planets. To order, visit here . From Science Frontiers #97, JAN-FEB 1995 . 1995-2000 William R. Corliss ...
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... . His "K -T swath" includes the Chicxulub crater (Yucatan), the Manson crater (Iowa), the Avak crater (Alaska), and three more in Russia -- all of which were gouged out about the time of the Cretaceous-Tertiary (K -T ) boundary. Shaw has plotted several other swaths of different ages. The application of chaos theory to solar system debris. Shaw hypothesizes that nonlinear gravitational effects channel asteroids and comets into the inner solar system in intermittent bursts. The bursts are then captured by the earth and other inner planets, with some of these objects grouped in like orbits. Gravitational feedback occurs from earth to orbiting debris. Shaw believes that the uneven distribution of mass inside the earth -- due probably to the impact that created the moon -- influences where asteroids and comets impact. In turn, these large objects keep smashing into the same regions and their cumulative effect contols the flow of material inside the earth. Then, this change in mass distribution feeds back to change orbits and impact swaths. The above is just a taste of what is revealed in Shaw's book of 600+ pages. It cannot fail to be controversial. (Monastersky, Richard; "Shots from Outer Space," Science News, 147:58, 1995.) From Science Frontiers #98, MAR-APR 1995 . 1995-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 118: Jul-Aug 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Lunacy In Trees More than a half-century ago, Yale biologist H.S . Burr inserted electrodes into trees and found that the voltages between them varied with the phase of the moon. (Ref. 1) The influence of the moon upon trees is even more palpable: the diameters of tree stems also bloat and shrink with the position of the moon in the sky. There is a tide in the affairs of trees, it seems. If tides occur twice a day, so do the swellings and shrinkings of trees. These tidal patterns are evident even when the trees are kept in darkness and at constant pressure and humidity. Even more surprising, chunks of tree stems that are sealed to prevent water from flowing in or out will still expand and contract according to the 24-hour, 49-minute lunar cycle as long as the cambium, the most active growing region, survives. The dimensional changes are small -- only tenths of a millimeter, but even these seem too large, given the weakness of the moon's gravitational field here on earth. (Ref. 2 and 3) References 1. Burr, H.S .; "Moon Madness," Yale Journal of Biology and Medicine, 19:249, 1944. 2. Zurcher, Ernst, and Cantiana, MariaGiulia; "Tree Stem Diameters Fluctuate with Tide," Nature, 392:665, 1998.) 3 ...
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... Science Frontiers ONLINE No. 109: Jan-Feb 1997 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Lunar Landslide Lights Moonwatchers have reported light flashes, strange red glows, and mist-like patches emanating from certain lunar locales, particularly the huge craters Alphonso and Picard. Hundreds of such observations have accumulated since the Middle Ages. Modern more-systematic scrutiny indeed confirms that the moon is not such a dead place after all. (See ALF in The Moon and the Planets for much more on this fascinating subject.) Moonquakes, gaseous emissions, and even volcanic activity have been the favorite explanations of these TLPs (Transient Lunar Phenomena), but these are only surmises. The many close-up photos of the lunar surface taken in 1994 by the lunar satellite Clementine gave B. Buratti, K. Herkenhoff, and T. McConnochie the opportunity to search for geological common denominators connecting the sites where TLPs have been most frequent. The suspicious sites are characterized by bluish spectra that usually indicate unusually fresh deposits of lunar debris. Furthermore, these areas are usually found along the inside edges of large craters. Buratti et al opine that these are the sites of recent landslides that have cascaded off the crater edges. The dust and volatile gases released by these events might account for the observed luminous phenomena. (Cowen, Ron; "Explaining a Lunar Mystery," Science News, 150:314, 1996.) Reference. To order the book The Moon and the Planets (mentioned above), visit here . The lunar ...
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... , which is useful in distinguishing between artificiality and naturalness. The "face" readily passes four of the eight tests. A fifth test (bilateral symmetry) cannot be decided until we get more pictures. But failure looms on the last three tests (location, orientation, cultural purpose), unless Mars is sent back to the time when it was a satellite of the as-yet-unexploded planet. Then -- a couple billion years ago -- the "face" would have been smack on the equator of Mars-to-be, gazing downward perpetually upon the doomed planet. The "face" thus had a cultural purpose, a sort of cosmic "Big Brother." Carrying these thoughts to their logical conclusion, the inhabitants of the planet had colonized their "moon" and built those controversial "structures." (Van Flandern, Tom; "New Evidence of Artificiality at Cydonia on Mars," Meta Research Bulletin, 6:1 , 1997. Journal address: P.O . Box 15186, Chevy Chase, MD 20815.) Comment. We cannot resist adding two more thoughts to all this speculation: If life on Mars really did (does) exist, it probably really originated on the supposed exploded planet! Could the explosion of this planet have seeded the earth with life, say, at the time of the unexplained Archean Explosion? (See under BIOLOGY.) Reference. The asymmetry of the surface of Mars and other unusual geological features are collected in Chapter AME in our Catalog The Moon and the Planets. For more on ...
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... Frontiers ONLINE No. 118: Jul-Aug 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Broadside Against Small Icy Comets In a late-1997 issue, Geophysical Research Letters published a group of five papers that detailed five different lines of evidence that are inconsistent with the claim by L.A . Frank and J.B . Sigwarth that the earth is bombarded daily by 30,000 house-size icy comets. If such bombardment has really been occurring, scientists would have to rethink the origins of the earth's oceans, terrestrial life, and the formation of the solar system. No wonder the icy-comet hypothesis is strongly challenged! Three of the more interesting points made by this group of papers are as follows: Our moon could not escape the icy-comet bombardment. Roughly 1,000 craters 50 meters in diameter and splashes of debris 150 meters in diameter must occur each. There is no evidence that the moon is thus afflicted. Comets also carry the noble gases argon, krypton, and xenon. These gases should accumulate in the atmosphere as the comets disintegrate. The amounts of these gases actually measured are 10,000 times less than those the postulated bombardment would produce. The icy comets should break up near the earth and produce clouds of ice crystals. Sunlight reflected from such 30-ton clouds would be brighter than Venus and easily visible before they disperse. Such objects are rarely seen, implying that small icy comets do not exist in the numbers claimed. Preceding this series of five papers is ...
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... Science Frontiers ONLINE No. 116: Mar-Apr 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects More On The Mekong Mystery Those basketball-sized lights erupting from the Mekong River, Thailand, (SF#114) turn out to be a well-known annual event. Their official name is: the Nekha Lights. They have even been filmed and shown on Thai TV. These weird luminous displays occur during the October full moon and last only about 30 minutes. The lights rise out of the river and nearby rice paddies, but only along a small stretch of the river straddling the Thailand-Laos border. (Anonymous; "Mekong Mystery," New Scientist, p. 109, December 20/27, 1997.) Comment. Some marine species, such as the paolo worms, rise to the surface annually to spawn under a full moon. Could the Mekong Lights have a biological origin? From Science Frontiers #116, MAR-APR 1998 . 1998-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 108: Nov-Dec 1996 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Blue Flash Green flashes occasionally appear when the sun (or moon or Venus or Jupiter) sink below the horizon. Blue flashes are much rarer but still well-recognized phenomena. An example of the latter was observed in 1995 on the Indian Ocean. August 11, 1995, Bay of Bengal. Aboard the m.v . Repulse Bay enroute Jeddah to Port Klang. "Prior to sunset the vessel was proceeding due east across the Bay of Bengal and it was quite apparent that the sun was still very bright and had not taken on its usual darkorange or red appearance; even with half its diameter above the horizon, the sun was much too bright to view directly. As the last segment of the sun dipped below the horizon, a blue 'horn' formed at each end of it, as shown in sketch (a ), and these then closed up to form a bright-blue arc, as shown in sketch (b ). " (Leslie, A.J .; "Blue Flash," Marine Observer, 66:115, 1996) Comment. The blue flash is a shorter-wavelength version of the green flash. The basic phenomenon is explained in terms of dispersion of the sun's spectrum by the atmosphere near the horizon. Even so, many enigmas remain about these low-sun phenomena. There have been observed: multiple flashes, flashes preceding sunset, complex flash ...
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... .M . Olsen has investigated a bizarre observation from Kentucky. The date was September 28, 1996. "Vance C. Johns, a secondary-school horticulturist, lives a rural area east of Louisville. Sometime between midnight and 1:30 AM, he got up to use the bathroom and saw a strange object outside his bedroom window. His wife, Florence, keeps the drapes open on the center of three picture windows, and he immediately opened the other drapes for a better look. The open view through the windows, which face south, is of a grass lawn sloping to a curved driveway. This 0.8 -hectare cleared area is devoid of trees and other objects. Two large, automatic floodlights illuminate the ground around the entire house, and under a full moon, it was bright enough to read a book. The night was clear and about 10 C with no noticeable wind. No aircraft were in the area. "At a distance of 14 m (measured after the incident) from his vantage at the bedroom window, there appeared on the lawn an object resembling a common railroad cross tie but oriented in a vertical position, with one end on the ground. It was matte black, 2 1/2 - 2 3/4 m high and 30 - 35 cm wide. The sides were smooth with a well-defined corner joining the west and north sides. The view of the top showed the west and north top edges were also welldefined. The object appeared solid but did not cast a shadow. "As Johns watched ...
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... Science Frontiers ONLINE No. 114: Nov-Dec 1997 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mekong Mystery The following question was posed in the September 6 issue of New Scientist. "My wife and I saw a puzzling sight in October 1994, in the Mekong River near Nongkhai, Thailand, during a full moon, in the evening. Lights appeared under the water for a few hundred metres along the Mekong River. They rose from the bottom of the river and floated to the surface, then shot like missiles into the sky and out of sight. They were the size of beach balls, and many flew out of the water every few minutes, surfacing about 10 metres apart. I am told that this happens every year at the same time. Locals say it is caused by a serpent releasing her eggs. Does anyone know of this phenomenon?" A. Pentecost answered. He noted first the similarity of the Mekong phenomenon to the will-o '- the-wisp or ignis fatuus. The usual explanation of ignis fatuus blames the spontaneous combustion of marsh gas. However, the Mekong lights are initially seen under the water where there would not be enough oxygen to support combustion. Pentecost suggested instead phosphorescent bacteria or the "cold flame" of phosphorus vapor which might form through diphosphane decomposition. (Pentecost, Allan, et al; "Mekong Mystery," New Scientist, p. 96, September 6, 1997.) References. The Mekong phenomenon may be allied with the many examples of luminous ...
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... Science Frontiers ONLINE No. 155: Sep - Oct 2004 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology Plant diffusion in the pre-Columbian world Did Chinese Ships Anchor off California 1000 years before Columbus found San Salvador? An Olmec-Chinese Connection Astronomy Our Twin Planet? Evidence that Mars is a former Moon! Biology The Itjaritjari Tick-Tock: Telomeres count off the generations of a species' time on Earth Stealth fish Geology The Dwarfing of island megafauna and the remarkable survival of some A double-whammy for the Yucatan, but that's only part of the story Geophysics A sign? Star-of-David ice crystals fall upon West Sussex Hessdalen: Valley of enigmatic lights When coming events really cast their shadows before them! Physics Entangled moments Mathematics Patterns of very loosely knit prime numbers ...
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... Science Frontiers ONLINE No. 72: Nov-Dec 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects At last, a theory of everything!" A Soviet astrophysicist has made the startling claim that the Earth and other astronomical bodies may be riddled with mini black holes -- objects smaller than atoms but with masses which, in some cases, might be as great as a planet. Such objects, he claims, could account for volcanic hot spots, gravitational anomalies, concentrations of mass on the Moon (mascons), the existence of the rings of Saturn, and even the observations that gave rise to the notion of a 'fifth force.'" J. Gribbin, whose article begins with the above paragraph, is quick to proclaim that this "theory of everything" is not just silly-season kite flying. Rather, it was proposed by A.P . Trofimenko in the well-respected Astrophysics and Space Science (168:277) Restricting ourselves to speculations concerning the earth, Trofimenko sees our planet as a sphere of low-density material enclosing 126 mini black holes that account, first, for the many gravity anomalies we measure on the surface; and, second, the earth's high density. That's right, there's no iron core in this model! Some of the mini black holes near the surface create local hot spots (plumes, volcanos, etc.) through the emission of Hawking radiation. Trofimen-ko's scheme encompasses the planets, the stars, ...
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... Science Frontiers ONLINE No. 82: Jul-Aug 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects DID A HALF MILLION METEORS FALL ON THE CAROLINAS?The Carolina Bays get scant notice in the literature these days, but E.R . Randall has rescued them this undeserved obscurity. "For years, people living along the Carolina coast have marveled at a series of strange, oval-shaped depressions in the ground called 'Carolina Bays.' "From the air these shallow, marshy bogs created a landscape that resembles the pockmarked surface of the moon. They crisscross each other in a chaotic tapestry, but at ground level are hardly noticeable because of thick forests and semitropical swamplands. "Highways and modern housing developments have all but obliterated thousands of the bays, leaving them visible only to trained eyes. "Still, it is estimated that no fewer than 300,000 such bays, ranging from a few feet across to almost two miles in diameter, dot the East Coast landscape from southern New Jersey to northeastern Florida. One source places the number at more than half a million." Map showing areas of abundant Carolina Bays and frequent meterorite finds. However, meteorites are rare in the areas of the bays. Floyd continues with a brief history of the Carolina Bay region and then reviews some of the theories of origin that have been proposed. Two now-discarded mechanisms of formation invoked: (1 ) immense schools of spawning fish; and (2 ) icebergs stranded as the Ice Ages waned. In presenting today ...
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... Science Frontiers ONLINE No. 2: January 1978 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Sun-earth-moon system may not be stable The application of zero-velocity surfaces (a mathematical technique) to the sunearth-moon, three-body system indicates that the eccentricity of the earth's orbit renders the system unstable. The conclusion is that the moon may one day escape the earth and become a planet and, turning the situation around, that the origin of the moon by capture is a strong possibility. (Szebehely, V., and McKenzie, R.; "Stability of the Sun-Earth-Moon System," Astronomical Journal, 82:303, 1977.) Comment. This paper is typical of several recent ones in celestial mechanics that throw doubt on long-held dogmas about the long-term stability of the solar system. For more on this subject, consult ABB1 in our Catalog: The Sun and Solar System Debris. To order this book, visit: here . From Science Frontiers #2 , January 1978 . 1978-2000 William R. Corliss ...
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... grooves (700 meters wide and 90 meters deep) are located close to Stickney. On the other side of Phobos, grooves are consistently less than 100 meters wide. Despite these hints of impact origin, the grooves are not quite what one would expect from simple fracture by collision. Some show beaded or pitted structures. Other grooves are composed of irregularly bounded segments. Finally, some of the straight-walled sections seem to have slightly raised rims. Evidently, some internal forces, perhaps stimulated by the formation of Stickney, also played a part. (Thomas, P., et al; "Origin of the Grooves on Phobos," Nature, 273:282, 1978.) Reference. The grooves of Phobos and its other anomalies are catalogued at ALL2 and ALL3 in The Moon and the Planets. To order this book, go to: here . Map of the strange grooves on the Martian moon Phobos From Science Frontiers #4 , July 1978 . 1978-2000 William R. Corliss ...
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... . The outer edge of the circle I would describe as glowing and within that was another circular object, more intense, and within that was a brilliant pulsating white light as when the object was first sighted. The object reached its closest point to us by 2317 on a bearing of 040 T. "The object stayed in this position for approx. two minutes and then vanished within the outer glow, this glow finally fading from our sight also. At 2320 nothing was left to be seen of either the object or the glow. "I have tried to reproduce what the Skipper and I saw in sketch form. The object was also seen by several other vessels who were fishing in the area with us. The night was fine with a small amount of low cloud, a quarter moon and an average number of stars. Position of ship: 69 56'N , 33 46'E ." (Powdrell, H.; "UFO," Marine Observer, 47:177, 1977.) From Science Frontiers #3 , April 1978 . 1978-2000 William R. Corliss ...
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... On the northwestern flanks of the huge Martian volcano Arsia Mons are countless hillocks of undetermined origin. Mostly 100 to 500 meters in diameter, the hillocks cover the edge of the volcano flank. In addition, the outer edge of the flank is surrounded by dozens of parallel ridges that stretch lengthwise for hundreds of kilometers, A peculiar feature of the ridges is that they have not been disturbed by craters or flow features; there are not even any variations in surface brightness. One explanation suggests that both hillocks and ridges were created in a huge landslide. (Anonymous; "Strange Hillocks and Ridges on Mars," Science News, 113:43, 1978.) Comment. The hillocks resemble the much smaller terrestrial Mima Mounds. Reference. Martian topographical anomalies are cataloged in Section AME in The Moon and the Planets. Further information on this book is located here . From Science Frontiers #3 , April 1978 . 1978-2000 William R. Corliss ...
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... and are nearly perfect geometrical figures. The rims of the circles are generally raised and characterized by fracturing and brecciation. These structures can be traced in many geological environments and rocks of all ages. They control to an extraordinary extent regional geology and ore mineralization. To date, some 1,170 circles have been discovered, of which more than half can be visually traced for 360 . Larger circles may exist; one with a diameter of about 2,200 kilometers seems to encircle the southern end of Africa. In the United States, the centers of the circles fall in a northwesterly trend in Arizona; northeasterly in the Appalachians. These circular structures may have been created about 4 billion years ago by intense meteorite bombardment similar to and perhaps identical with the bombardment that marked the surfaces of the moon and other inner planets. (Saul, John M.; "Circular Structures of Large Scale and Great Age on the Earth's Surface," Nature, 271:345, 1978.) Reference. Huge craters and other large circular structures are cataloged at ETC1 and ETC2 in Carolina Bays, Mima Mounds. To order this volume, visit: here . From Science Frontiers #3 , April 1978 . 1978-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 7: June 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Moon And Life There are so many examples of lunar rhythms in terrestrial life that we tend to assume that these phenomena are understood. Obviously, evolution "created" these rhythms to further the cause of each moon-tuned organism. Palmer and Goodenough recount the classic example of the lunar synchronism of the palolo worm and add the even-more-amazing tale of P. megalops, another marine worm. Sure enough, the moon-modulated matings of these worms seem to improve reproductive efficiency. Less well known are many other moon-synchronous biological rhythms; viz., the sizes of the pits dug by ant lions to trap ants and the angles flatworms assume in swimming away from light. Many such lunar rhythms apparently have no adaptive value whatsoever. So, why do they exist? Even more disconcerting is the fact that lunar rhythms persist in the lab where the moon is not visible. Are internal clocks responsible here? If so, how do they work and how are they set? These questions are hard to answer if the rhythms have no value to the organism's success. (Palmer, John D., and Goodenough, Judith E.; "Mysterious Monthly Rhythms," Natural History, 87:64, December 1978.) Comment. It would, or course, be outright heresy to suggest that heavenly bodies may be the sources of unrecognized but biologically significant forces. Reference. Correlations of lunar phase ...
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... Science Frontiers ONLINE No. 16: Summer 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Earth-moon fission: a slight hint Although the Sm/Nd isotope ratios of the earth and the chondrites (a type of meteorite) seem pretty close in value, the possibility of a slight but significant discrepancy remains. If this small difference is confirmed, it would strongly imply that the earth's Sm/Nd ratio was shifted after the planet's formation. The most reasonable event that could shift this ratio is an long-debated earth-moon fission, wherein the earth's lighter surface material was somehow torn off to form the moon. (DePaolo, Donald J.; "Nd Isotopic Studies: Some New Perspectives on Earth Structure and Evolution," Eos, 62:139, 1981.) Comment. The moon's density is markedly less than the earth's , so the idea is not as wild as it seems. The hypothetical fission of Earth-Moon could have shifted the Nd isotope ratio in relation to that of the chondrites. From Science Frontiers #16, Summer 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 14: Winter 1981 Supplement Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Does the moon really faze people?Folklore strongly supports the power of the full moon to disturb people's minds, as underscored by the term "lunatic." The many scientific studies of this supposed lunar effect, however, have come to conflicting conclusions. Templer and Veleber have surveyed previous studies and believe that the discrepancies arise because of different methodologies. By combining new and older data and using a common approach, they confirm folklore by finding a disproportionate frequency of abnormal behavior occurring at the times of full moon, new moon, and the last half of the lunar phase. (Templer, Donald I., and Veleber, David M.; "The Moon and Madness: A Comprehensive Perspective," Journal of Clinical Psychology, 36:865, 1980.) Reference. The moon's putative effect on human behavior is discussed at BHB4 in our Catalog: Biological Anomalies: Humans I. For ordering information, visit: here . From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 16: Summer 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The moon's magnetic swirls The impressively strong magnetic anomalies discovered on the lunar surface remain enigmas. They appear to be superficial patches of highly magnetic material rather than deep-seated manifestations of basic lunar structure. Instead of being associated with gravity anomalies, the magnetic patches seem coincident with strange swirl-like markings on the moon's surface. The logical inference is that the swirls are surface patterns of highly magnetic substance -- but why the pecu-liar patterns and where did the strongly magnetic material come from? (Hood, L.L .; "The Enigma of Lunar Magnetism," Eos, 62:161, 1981.) Comment. The swirls were originally attributed to cometary impacts, but comets hardly seem likely carriers of highly magnetized materials. Reference. The lunar magnetic swirls are cataloged at ALZ3 in The Moon and the Planets. For a description of this catalog, got to: here . From Science Frontiers #16, Summer 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 11: Summer 1980 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mysterious Swirl Patterns On The Moon In at least three lunar locations, enigmatic bright-and-dark swirl patterns drape craters and mare terrains. Ranging from 10 kilometers across to less than 50 meters, they may be ribbon-like, open-looped, or closed-looped. The swirls are sharply defined but do not appear to scour or otherwise disturb the terrains where they occur. Similar swirl patterns have been recognized on Mercury. Two intriguing characteristics of the lunar swirl patterns are: (1 ) They coincide with strong magnetic anomalies; and (2 ) They appear to be very young, being superimposed on top of essentially all lunar features of all ages. Schultz and Srnka suggest that recent cometary impacts created the patterns. (Schultz, Peter H., and Srnka, Leonard J.; "Cometary Collisions on the Moon and Mercury," Nature, 284:22, 1980.) Comment. The terrestrial implications are obvious: our earth must have been hit, too. Perhaps at the Tunguska site there are similar swirl patterns -- now obliterated by vegetation. Reference. Lunar swirl patterns are cataloged in Section ALE5 in The Moon and the Planets. To order, visit: here . From Science Frontiers #11, Summer 1980 . 1980-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 5: November 1978 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Asteroids with moons?Several recent observations made of asteroids as they occult stars suggest that some asteroids are circled by moonlets. The observational technique used resembles that employed in the discovery of the now-famous rings of Uranus. Briefly, the star being observed blinks out not once in a clean-cut fashion but in a complex scenario that may indicate the presence of a second body. To illustrate, during the 1975 occultation of a star by the asteroid Eros "all sorts of people saw things," meaning secondary events or extra dimmings. Another kind of supporting evidence comes from the light curve of 44 Nysa, which closely resembles that of an eclipsing binary star. (Anonymous; "Asteroids with Moons?" Science News, 114:36, 1978.) From Science Frontiers #5 , November 1978 . 1978-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 21: May-Jun 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Artificial Panspermia On The Moon A colony of earth bacteria, Streptococcus mitis, apparently survived on the moon's surface between April 1967 and November 1969. The organisms were discovered in a piece of insulating foam in the TV camera retrieved from Surveyor 3 by Apollo astronauts. (Anonymous; Science Digest, 90:19, April 1982.) From Science Frontiers #21, MAY-JUN 1982 . 1982-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 9: Winter 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Moon-like craters in the north sea floor During the exploitation of the North Sea oil fields, geophysicists made detailed surveys of sea-floor topography with seismic instruments called boomers. They were startled to discover thousands of elliptical craters or pockmarks in the sediments. The craters are 30-330 feet across, 6-25 feet deep, and located in water about 500 feet deep. The long axes of the craters point roughly in the same direction; and the craters tend to be arranged in lines. The authors suggest that escaping subsurface gases and fluids may have formed the unusual structures. The possibility was underscored on July 30, 1978, when a very large eruption of sediment was detected by sonar. (McQuillin, Robert, and Fannin, Nigel; "Explaining the North Sea's Lunar Floor," New Scientist, 83:90, 1979.) Comment. The North Sea is a prime habitat of mistpouffers (sea-associated booming sounds). There might be a correlation here between natural-gas eruptions and these strange booming sounds. Also, the crude similarity of these sea-floor craters to the Carolina Bays should not be passed over. Reference. All types of unusual craters are cataloged in Section ETC in: Carolina Bays, Mima Mounds. For ordering information, visit: here . From Science Frontiers #9 , Winter 1979 . 1979-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 21: May-Jun 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The earth's other moons Over the past two centuries, night-sky observers have recorded a number of objects that moved too fast to be asteroids and too slowly to be meteors. John P. Bagby has studied this problem for over 20 years, publishing several hotly debated papers during this period. His latest contribution summarizes evidence supporting his contention that the earth has captured chunks of space debris, some of which have disintegrated, some of which are still in orbit amidst tons of artificial-satellite debris. The supporting observations have come from optical surveillance programs, tracking networks, radio-propagation anomalies, and (most interesting to the anomaly collector) old reports of bright objects near the sun (especially the August 1921 object) and the curious group of retrograde objects that passed over Germany in 1880. (Bagby, J.P .; "Natural Earth Satellites," British Interplanetary Society, Journal, 34:289, 1981.) Reference. Material on the August 1921 object is cataloged at AEO1 in our book: The Sun and Solar System Debris. To order, visit: here . From Science Frontiers #21, MAY-JUN 1982 . 1982-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 14: Winter 1981 Supplement Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Radial spokes in saturn's rings Among all the recently discovered complexities of Saturn's rings, the dark spokes are perhaps the most challenging to astronomers. These dark areas seem to rotate with the rings and are likely regions nearly devoid of the particles that constitute the rings. The "normal" annular gaps between the rings can be explained in part as due to the gravitational influences of Saturn's moons. The dark spokes, however, do not succumb so easily. There are no obvious gravitational nuances that can sweep particles selectively from radially aligned areas. (Anonymous; "Voyager Discovers Spokes in Saturn's Rings," New Scientist, 88: 276, 1980.) Comment. Any theory accounting for radial gaps may also explain the "knots" of brightness occasionally seen through the telescope down the years. Incidentally, a few observers in the past have also claimed to have seen radial gaps in the rings, so the dark spokes are not exactly new. Reference. Spoke phenomena of Saturn's rings are cataloged at ARL5 in The Moon and the Planets. A description of this book is located here . From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 18: Nov-Dec 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Long Arms Of Venus And Jupiter Many times in the two or three "scientific" centuries now behind us, investigators have discovered, almost against their wills, that the moon and planets affect the earth. The moon's influence is understandable, but the planets are too far away for their gravitational fields to influence one terrestrial dust mote. Well, here is one more study showing that the planets (Venus and Jupiter, in this case) do affect the peak electron density in the earth's ionosphere. The effect is most noticeable when these planets are close to earth and dwindles as they swing around to the other side of the sun. The authors are at a loss to explain this effect in terms of gravitation, suggesting that perhaps Venus or Jupiter may instead affect solar activity, which in turn modifies the terrestrial ionosphere. (Harnischmacher, E., and Rawer, K.; "Lunar and Planetary Influences upon the Peak Electron Density of the Ionosphere," Journal of Atmospheric and Terrestrial Electricity, 43:643, 1981.) Comment. Actually, no one has shown how the planets can possibly influence the sun with known action-at-a -distance forces. Electrical forces are taboo. There are no other "recognized" forces. From Science Frontiers #18, NOV-DEC 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 10: Spring 1980 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Io's electrical volcanos Thomas Gold, of Cornell, long known for his provocative theories, has not disappointed us in this paper. Jupiter's moon, Io, exhibits an anomaly that seems to call for a radical explanation. Io's volcanos erupt with such violence that molten material is flung to heights of 250 kilometers. These outbursts proceed from caldera, and one is led to assume that normal volcanic action is to blame. Unfortunately for this simplistic idea, Io does not seem to possess low-molecular-weight substances, such as water, that could serve as a good propellant at reasonable temperatures. Sulphur is common, but its atomic weight is so high that temperatures exceeding 6000 K would be required to shoot matter out to 250 kilometers. Gold suggests that Io's volcanos get their firepower from electrical sources. He points out that Io short-circuits Jupiter's ring current periodically. Gold estimates that 5 million amperes flow through Io when it passes through the ring current. The energetic eruptions and caldera might therefore be electric-arc phenomena. The electrical energies available are sufficient to account for the observed outbursts. (Gold, Thomas; "Electrical Origin of the Outbursts on Io," Science, 206:1071, 1979.) Comment. Several scientists and non-scientists have proposed in the past that the sunspots and even some planetary craters result from large-scale electrical arcing within the solar system ...
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... Science Frontiers ONLINE No. 18: Nov-Dec 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Phoebe Not Locked To Saturn When Voyager 2 passed through the Saturn system a few months ago, it snapped pictures of Phoebe, Saturn's outermost moon. Phoebe is nicely rounded, 200 kilometers in diameter, and swings around Saturn in a retrograde orbit 550 days long -- nothing anomalous so far. Phoebe, however, turns out to be the only solar-system satellite whose axial period of rotation is not about equal to its period of rotation about its parent planet. All other moons, including our own, are gravitationally "locked" so that they always point the same hemisphere at the parent planet. (Anonymous; "Voyager's Fleeting Glimpse of Phoebe," New Scientist, 91:779, 1981.) Comment. One inference here is that Phoebe is a relatively recent addition -- and a good-sized one -- to the Saturn system, and just hasn't been there long enough to become "locked." From Science Frontiers #18, NOV-DEC 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 22: Jul-Aug 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Where did the 1780 eclipse go?October 27, 1780. The Maine Coast. An expedition from Harvard and the American Academy of Arts and Sciences, led by Samuel Williams, had set up equipment to observe the predicted total eclipse of the sun. A solar eclipse occurred all right, but the expedition was shocked to find itself outside the path of totality. They saw a thin arc of the sun instead of its complete obscuration by the moon. Modern analyses of this embarrassing incident for embryonic American science blame Williams for miscalculating the path of totality. Actually, recent computations compound the mystery. The expedition measured the time of the eclipse as 40 seconds later than it should have been for their (erroneously selected) site. Modern analysts insist further that the expedition should have seen an arc 10 arcsec wide subtending an angle of 89 ; instead, Williams and his colleagues measured an arc of less than 24 . Finally, the measured duration of the eclipse was far different from what it should have been. The members of the expedition were skilled and their instruments excellent. What happened? Was it human error? Are modern eclipse-calculating methods in error? Did something astronomical happen, such as a temporary, slight glitch in the earth's period of rotation? The mystery persists. (Rothschild, Robert F.; "Where Did the 1780 Eclipse Go?" Sky and Telescope, 63:558, 1982. ...
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... Science Frontiers ONLINE No. 17: Fall 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Shergottites and nakhlites: young and mysterious The shergottites and nakhlites are two types of meteorites that have scientists scratching their heads. Both types have been dated by various radioactive clocks at 1,300 million years or less -- far younger than all other meteorites. Where could such young meteorites have originated? The asteroids and moon's surface are far too old. A current guess is the surface of Mars. There, an impacting meteor could have blasted pieces of young lava sheets in space and thence to earth. The shergottites have a shocked structure and could well have originated in such catastrophism, but the nakhlites show no signs of violence and seem to require a separate explanation. (Anonymous; "Mystery Meteorites May Come from Mars," New Scientist, 91:219, 1981.) From Science Frontiers #17, Fall 1981 . 1981-2000 William R. Corliss ...
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... . Maccabee obtained the FBI's UFO file. His analyses of this file have been serialized in the APRO Bulletin. One of the most unsettling revelations concerns the FBI data on the notorious "green fireballs" of the 1948-1949 era. According to the verbatim transcript of the FBI record, dated January 31, 1949, File No. 5: November 1978 Briefly, the "fireballs" were a brilliant green, sometimes beginning and ending with red or orange flashes. The objects travelled mainly on an east-west line at an average speed of 27,000 miles per hour. They seemed to pass over in level flight at altitudes of six to ten miles. On two occasions vertical changes of course were noted. Size was about one-fourth the diameter of the full moon. Multiple fireballs appeared in two instances. No sound was ever noted. No debris was ever discovered. (Maccabee, Bruce S.; "UFO Related Information from the FBI File," APRO Bulletin, 7, March 1978.) From Science Frontiers #5 , November 1978 . 1978-2000 William R. Corliss ...
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... or equivocal results. The gas chromatograph, for example, detected no organic molecules in the Martian soil; and it is difficult to conceive of life without organic molecules. At first, most scientists preferred to explain the ambiguous life-detection-experiment results in terms of strange extraterrestrial chemistry. Nevertheless, strange extraterrestrial life would explain the data equally well. Everyone should be aware that the Viking biology team still considers life on Mars as a real possibility. (Lewis, Richard; "Yes. There Is Life on Mars," New Scientist, 80:106, 1978.) Comment. Most research into the possibility of extraterrestrial life assume "life-as-we-know-it." For more information on the Viking experiments, read entry AME14 in our Catalog: The Moon and the Planets. Ordering information here . From Science Frontiers #6 , February 1979 . 1979-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 7: June 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Seeing Double And Even Triple On Jupiter Sometimes the shadows cast by Jupiter's satellites on the face of the planet during transit are doubled or, more rarely, tripled. This article draws attention to several recent observations of this most perplexing phenomenon. W.E . Fox points out that these multiple shadows are really not all that uncommon. He does not try to explain them. (Fox, W.E .; "Jupiter: Double and Triple Satellite Phenomena," British Astronomical Association, Journal, 88:360, 1978.) Reference. Our Catalog, The Moon and the Planets, records several observations of double shadows in Section AJX. For a description of this book, visit: here . From Science Frontiers #7 , June 1979 . 1979-2000 William R. Corliss ...
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... of this region have revealed heavy frosts and fogs. Further, the clouds here have more moisture in them than elsewhere on Mars. Conclusion: Considerably more water exists near the surface of the Solis Lacus region than elsewhere. Since this area was the source of the great 1971 Martian dust storm, one wonders whether the unusual concentration of water has been revealed only because winds have stripped off the normally dry surface layer. (Huguenin, R.L ., et al; "Mars: An Oasis in Solis Lacus," Eos, 60:306, 1979.) Comment. Close-up photos of Mars show many signs of fluid erosion. Abundant water may still remain well below the planet's surface. Reference. Probable wet areas on Mars are cataloged at AME16 in The Moon and the Planets. Ordering information for this book is located here . From Science Frontiers #8 , Fall 1979 . 1979-2000 William R. Corliss ...
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... may be vindicated yet, for at least one sharp, dark line has been photographed by a Viking Orbiter during three Martian springs just north of the great volcano Arsia Mons. Called a "weather wave," this line appears only in the spring when Lowell's canals darkened. This year, a second long line, slightly curved, joined up with the first line at a triangular junction looking suspiciously like one of Lowell's "oases." (Anonymous; "Rare Martian Weather Wave -- with a Kink," Science News, 118: 7, 1980.) Comment. Could it be that the notorious Martian canals are atmospheric features that come and go? For more on the history of the Martian canals and recent observations, see AMO1 in our Catalog: The Moon and the Planets. This volume is described here . From Science Frontiers #12, Fall 1980 . 1980-2000 William R. Corliss ...
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... non-uniformities in crater distribution and age. The anomalies are so large that astronomers have concluded that these objects must have undergone considerable evolution after they were formed by accretion (the currently accepted mode of formation). Unfortunately these four satellites are so small that they could not have accommodated any reasonable energy source capable of causing the observed crustal evolution. The authors suggest strong local concentrations of radioactive heat generators rather than uniformly distributed radiogenic substances, such as those that helped mould the earth's surface. (Plescia, J.B ., and Boyce, J.M .; "Crater Densities and Geological Histories of Rhea, Dione, Mimas and Tethys," Nature, 295:285, 1982.) Comment. Interestingly enough, local concentrations of radioactivity have been discovered on the moon. From Science Frontiers #20, MAR-APR 1982 . 1982-2000 William R. Corliss ...
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... Some of the time, but not always, Io emerges from the shadow about 10% brighter than when it entered. In 10-20 minutes, its brightness decays to normal levels. One suspicion is that SO2 in Io's atmosphere condenses on the planet's surface when it is in the cold shadow, thus coating some dark areas with a bright sulfurous 'frost.' However, a recent measure of Io's post-eclipse brightness detected no brightness change whatsoever. Apparently we have a real but rather unreliable phenomenon. (Morrison, Nancy D., and Morrison, David; "Io; Post-Eclipse Brightening Still Mysterious," Mercury, 11:27, 1982.) Reference. Io's post-eclipse brightening is cataloged at AJX6 in The Moon and the Planets. To order this book, visit: here . From Science Frontiers #22, JUL-AUG 1982 . 1982-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 10: Spring 1980 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Long-delayed radio echoes J. Hals first observed long-delayed radio echoes in 1927. During the following half-century, scientists have been studying this perplexing problem, but it has been the amateurs who have accumulated the bulk of the data. Over 100 reports exist where echoes of radio transmissions were received seconds later at the original transmitting station. Since light travels 186,000 miles per second, any simple radio-wave reflector would have to be well beyond the moon's orbit. A wide variety of natural phenomena (interplanetary matter) and even artificial devices (alien space probes) have been postulated to explain the long delays. Muldrew's article is first of all an excellent summary of the long and fascinating history of this effect. His bibliography is extensive and apparently nearly complete. Muldrew next examines the various ionospheric mechanisms that might cause long delays. The ionosphere is a complex structure with ducts in which radio signals can get trapped. Delays of a second or so might be due to such trapping but the longer delays require some other explanation. Muldrew favors a rather complex interaction between signals from separate transmitters that (theoretically at least) can create a long-lived electrostatic wave that travels in the ionosphere -- a sort of natural memory device. The coded signals could then be read out much later when the proper natural conditions developed. Delays of up to 40 seconds might be possible with this "ionospheric memory ...
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... , they reflect less light than the blackest coal dust. T.C . Van Flandern proposes that each ring is actually a single satellite, so small that we cannot see it, and that it sheds gases as it orbits. This small solid body would make the celestial mechanics people happy, and the gases would be invisible to the eye but still absorb light, making the ring of gases detectable when Uranus occults a star. (Van Flandern, Thomas C.; "Rings of Uranus: Invisible and Impossible?" Science, 204:1076, 1979.) Comment. An alternative explanation is that the rings are recently acquired and will soon disappear. An 1847 observation of a ring around Uranus exists, but a datum this old carries little weight. See our Catalog: The Moon and the Planets for this old sighting. This book is described here . From Science Frontiers #8 , Fall 1979 . 1979-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 37: Jan-Feb 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The puzzle of the moon's origin The moon is the closest and best-studied astronomical object. Yet, there is no agreement as to its mode of origin. One might say that planetary scientists have just about thrown in the towel on the three major theories of lunar origin. Two recent articles attest to this discouraging situation. A Sky and Telescope article provides an excellent review of all three theories, indicating the reasons why each fails to convince a majority of scientists. The theories and the primary reasons for their rejection are: (1 ) Fission from earth . Lack of sufficient angular momentum in the earthmoon system and the fact that the moon does not orbit in the plane of the earth's equator. (2 ) Gravitational capture . The capture of such a large object in a nearly circular orbit is considered too improbable. (3 ) Earth-moon accretion as a double planet . The compositions of the earth and moon are too different. This article concludes that the resolution of the problem of lunar origin must await our return to the moon for more scientific exploration. (Rubin, Alan E.; "Whence Came the Moon?" Sky and Telescope, 68:389, 1984.) An article in Science also discusses the classical theories of lunar origin and quickly disposes of them for the above reasons. However, a fourth theory makes an appearance, which we might call the Big Splash Theory ...
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... Science Frontiers ONLINE No. 26: Mar-Apr 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Antarctic Meteorite May Have Been Blasted Off The Moon Meteorite ALHA 81005, discovered in the snowy wastes of Antarctica about a year ago, clearly resembles some of the rocks brought back from the moon by the Apollo astronauts. First, the meteorite's isotope ratios echo those found in bona fide moon rocks. Second, the meteorite is a breccia, consisting of small chunks cemented together, some of which are pinkish, magnesium-aluminum-rich spinels sometimes seen in lunar rocks but not terrestrial rocks or ordinary meteorites. Anorthosite is also present -- a type of rock found on the earth and moon but not ordinary meteorites. The implication is that ALHA 81005 was blasted off the moon by a comet or big meteorite. It escaped the moon's gravitational field, was captured by the earth, and plunged into the Antarctic snows. (Eberhart, J.; "Early Hints at a Moonish Meteorite," Science News, 123:54, 1983.) Comment. Geologically speaking, the ice and snow of Antarctica are fairly recent. This meteorite may then be evidence of recent astronomical catastrophism that might also have affected the earth. Reference. Anomalous meteorites are cataloged in Section AYE in The Sun and Solar System Debris. A descrption of this book is located here . From Science Frontiers #26, MAR-APR 1983 . 1983-2000 William R. Corliss ...
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