89 results found.
... Science Frontiers ONLINE No. 2: January 1978 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Hopeful monsters rather than gradual evolution?S. J. Gould, who conducts a monthly column in Natural History reviews the sad history of Goldschmidt and his villification by the scientific establishment. Goldschmidt saw the fossil record as woefully inadequate to justify the assumption of gradual evolution of one form into another. Intermediate forms between separate species do not seem to exist in the fossil record and, if they did, they would probably not have been viable creatures. What good is half a wing? Gould believes that Goldschmidt's "hopeful monster" concept will ultimately be dusted off. The key to "macromutation," Gould feels, is not to be found in major gene reorganizations that might produce a whole wing, feathers included, all at once, but rather in changes in the genes that control the development of embryos. Embryos in their early stages are pretty much alike regardless of species. Gould hopes further that the ruling neo-Darwinians will not be so hostile to new ideas and eventually acknowledge Goldschmidt's important work. (Gould, Stephen J; "The Return of the Hopeful Monster," Natural History, 86: 22, June-July, 1977.) From Science Frontiers #2 , January 1978 . 1978-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf002/sf002p04.htm
... (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 crater Gassendi on April 30 and May 1, 1966. The shaded areas mark the red glow observed on those dates by astronomers. From Science Frontiers #109, JAN-FEB 1997 . 1997-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf109/sf109p03.htm
... 1980 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Oh, those clever plants The Lecythidaceae or Brazil nut family is pantropical in distribution. Some members of this family produce two dif ferent kinds of pollen: (1 ) normal pollen for fertilization; and (2 ) nongerminating pollen that is collected by insects for food. The latter variety of pollen is considered (anthropomorphically) as the plant's way of rewarding insects for carrying the fertile pollen to other plants. As in so many of Nature's remarkable adaptations, the two types of pollen are located in exactly the right portions of the flower to match the anatomy of the foraging insect. In the figure, a carpenter bee collects infertile pollen from the bottom of the flower while being dusted on the head and back by the regions of the fertile pollen. (Mori, Scott Alan, et al; "Intrafloral Pollen Differentiation in the New World.. .. ." Science, 209:400, 1980.) Comment. How can the flower, even over many generations, determine that only the pollen from the upper portion is being used for fertilization and that the lower area of pollen may safely "be allowed" to become infertile? From Science Frontiers #12, Fall 1980 . 1980-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf012/sf012p04.htm
... 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 Or did it drift in from without?Hoyle and Wickramasinghe conceive the cosmos as a seething retort of energy, gases, dust, and, most significantly, organic molecules and microbes. The space between the stars is more important than the stars themselves, for this thin soup is, in their view, the real "swamp" where life originated! The main evidence supporting their radical hypothesis consists of spectrograms, particularly in the infrared, which are difficult to account for on an inorganic basis, but which are fitted nicely by some organic materials, especially microbes. Hole and Wickramasinghe devote most of the present article to making a spectroscopic case for their theory, but near the end they shake the Temple of Science a bit: "Precious little in the way of biochemical evolution could have happened on the earth. It is easy to show that the two thousand or so enzymes that span the whole of life could not have evolved on the Earth. If one counts the number of trial assemblies of amino acids that are needed to give rise to the enzymes, the probability of their discovery by random shufflings turns out to be less than 1 in 1040000." They conclude that the genes that control the development of terrestrial life must have evolved on a cosmic scale, where there has been more time and much more room for shufflings. (Hoyle, Fred, and Wickramasinghe, Chandra; "Where Microbes Boldly Went," New ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf018/sf018p07.htm
... across the Bering Strait. They claim that they have always lived in the Pacific Northwest! (Ref. 4) Comment. Perhaps pertinent are the Caucasian mummies recently discovered in China (SF#95) and, even more recently, 3,000-year-old graves uncovered at Baifu, just north of Beijing. These graves have yielded skeletons and artifacts with Caucasian characteristics. (Ref. 5) References Ref. 1. Anonymous; "Indian Bones," Earth Changes Report , November 1996. Cr. S.M . Johnson. Ref. 2. Egan, Timothy; "Tribe Stops Study of Bones That Challenge History," New York Times, September 30, 1996. Cr. M. Colpitts. Ref. 3. Gibbons, Ann; "DNA Enters Dust Up over Bones," Science, 274: 172, 1996. Ref. 4. Lemonick, Michael D.; "Bones of Contention," Time, 148:81, October 14, 1996. Ref. 5. Bower, B.; "Early Cross-Cultural Ties Arise in China," Science News, 150:245, 1996. Reference. Many enigmatic human skeletons have been discovered in North America. See our Handbook Ancient Man. Information on ordering this book here . From Science Frontiers #109, JAN-FEB 1997 . 1997-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf109/sf109p02.htm
... take it to the garage! (Holden, Constance; "More Neutrino Mystery," Science, 273:1663, 1996.) The problem deepens: The first 102 days of neutrino data from Japan's new Super-Kamiokande detector suggest that the solar neutrino flux is greater at night than during the day, and that it also varies during the year. (Anonymous; "First Data from New Neutrino Detector," Science News, 151:279, 1997.) Once we learn how to measure neutrinos really well, we can start looking for intelligent signals impressed upon them by advanced extraterrestrial civilizations. W. Simmons and colleagues at the University of Hawaii at Manoa point out that neutrinos are much better than electromagnetic waves for galaxy-wide communication. They are not blocked by dust nor are they smeared out by ionized gas. Any civilization clever enough to colonize the entire galaxy would want to send out neutrino signals if only to keep clocks in far-flung star systems synchronized. Simmons et al calculate that a neutrino detector containing a cubic kilometer of seawater could probably detect neutrino signals from artificial sources located within 3,000 light years of earth. A detector that might be able to do this is being installed in the ocean off the Hawaiian Islands. Naturally, it has an acronym: DUMAND = Deep Underwater Muon and Neutrino Detector. (Chown, Marcus; "Do ETs Phone Home with Neutrinos?" New Scientist, p. 19, December 3, 1994.) Reference. The problem of the missing solar neutrinos is discussed at length in Section ASF3 ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf112/sf112p03.htm
... Meaden, an English scientist, has personally investigated over 1000 crop circles. He remarks that, before all the media hype, all the corn circles were simple in design -- including plain circles, ringed circles, and circles with small satellite circles nearby. In 1991, Meaden organized Operation Blue Hill, during which 40 researchers watched British crop fields. Significantly, one circle formed in a field they had ringed with automatic alarms, making a hoax very unlikely. All in all, some 1800 crop circles have been recorded, many in other countries, including Japanese rice fields. One doubts that hoaxers could have been this ubiquitous. Further, Y. Ohtsuki, a Japanese scientist, has been able to reproduce some of the characteristic corn-circle patterns by dropping plasma fireballs into a plate dusted with aluminum powder. Even double rings can be created around central circles in this way. So, the simple crop circles could well have reasonable explanations. The gist of the Science article is that interesting science might be done with the crop-circle phenomenon. But will it after the Time broadside? C. Church, professor of aeronautics at Miami University in Ohio, says, "Everyone should be open minded, but I wouldn't want to get a reputation among fellow scientists as working on weird and off-beat things." (Anderson, Alun; "Britain's Crop Circles: Reaping by Whirlwind?" Science, 253:961, 1991.) From Science Frontiers #78, NOV-DEC 1991 . 1991-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf078/sf078g15.htm
... . Also: Campbell, Philip; "How Fast Does Halley Spin?" Nature, 324:213, 1986.) Halley's fireworks (visible outbursts) have also stimulated comet model-making. The latest is an icy-glue construction of sorts. See the accompanying figure and the accurate but not-particularlyenlightening caption. (Gombosi, Tamas I., and Houpis, Harry L.F .; "An Icy-Glue Model of Cometary Nuclei," Nature, 324:43, 1986.) Reference. Cometary outbursts are cataloged in ACO20 on The Sun and Solar System Debris. For information on this book, visit: here . A section through the icy-glue model of cometary nucleus, showing active and inactive micropores, small boulders, and the outer dust covering. From Science Frontiers #49, JAN-FEB 1987 . 1987-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf049/sf049p06.htm
... Science Frontiers ONLINE No. 33: May-Jun 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Comet Puffs A Smoke Ring When the periodic comet Kopff was photographed on August 13, 1983, using the 4-meter Mayall reflector at Kitt Peak, the black-and-white photo showed nothing out-of-the-ordinary. But digitization and computer enhancement revealed a previously unnoticed cloud of matter -million miles long trailing the nucleus. Curiously, the cloud resembled a huge smoke ring -- a distinct departure from the long, flowing tails shown in the textbooks. (Anonymous; "The Unusual Dust Cloud of Comet Kopff," Sky and Telescope, 67:226, 1984.) Comment. Obviously forces other than the solar wind were at work here. From Science Frontiers #33, MAY-JUN 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf033/sf033p06.htm
... England, the northern sky at midnight became light blue, as if the dawn were breaking, and the clouds were touched with pink, in so marked a fashion that police headquarters was rung up by several people, who believed a big fire was raging in the north of London." (Anonymous; "Like Dawn at Midnight," New York Times, July 5, 1908. Cr. M. Piechota) Comment. Actually, all of northern Europe saw a succession of very bright nights beginning June 30, 1908. It was even possible to take photographs at midnight. The cause was not the aurora borealis but rather the Tunguska Event (Siberian Meteor) of June 30, 1908. Of course, Western Europe did not know what had happened in Siberia for years. Terrestrial dust from the Tunguska Event that was blasted into the upper atmosphere or perhaps particulate matter accompanying the impacting object (probably a comet) was apparently the cause of the nightime airglow. From Science Frontiers #121, JAN-FEB 1999 . 1999-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf121/sf121p12.htm
... geothermally (rather than solar-) driven photosynthesis. Recent work on ambient light conditions at hydrothermal vents indicates that the photon flux generated by thermal radiation of 350 C water should be sufficient to sustain lowlevel photosynthesis, and there is at least one report of a faculative phototroph isolated from water samples taken near a deep-sea vent." A particularly important implication of this undersea light source is that the evolution of photosynthesis need not have been dependent upon the existence of life on land. Also, hydrothermal vents could have served as refuges for photosynthesizing life forms down the geological eons when: (1 ) ocean surfaces were ice-covered; (2 ) the terrestrial surface was exposed to deadly levels of radiation, as when the ozone layer was destroyed; and (3 ) when volcanism or dust from meteor impacts blackened the skies. (Van Dover, Cindy Lee; "Biology in Extreme Environments at Deep-Sea Hydrothermal Vents," Eos, 70:F54, 1998.) From Science Frontiers #124, JUL-AUG 1999 . 1999-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf124/sf124p08.htm
... limestone often found in the entryways of tomb chambers. "At the end of the polished section was what appears to be a door, made of the same tura limestone and with tongue-and-groove fittings on the side that suggest it can be raised and lowered. It has two corroded copper fittings in the center; a piece of one fitting had broken off and was found lying in front of the stone. A small gap exists at the bottom of the stone, but the camera could not peer through it." But what could lie beyond this tiny door deep in a shaft too small for humans? Is there a hidden chamber? Might it contain the body of Khufu, builder of the Great Pyramid, whose remains have never been found? A suspicious layer of black dust outside the door suggests the past presence of organic matter. Egyptologists find the whole business "very annoying." German archeologist R. Stadelman stated, "There is surely no other chamber." Meanwhile, Gantenbrink plans to slip a fiber-optic camera through the crack under the "door" to resolve the matter. (Maugh, Thomas H., II; "A Robot's Mysterious Discovery," San Francisco Chronicle, May 2, 1993. Cr. J. Covey. Also found in the Wellington, New Zealand, Evening Post . May 1, 1993. Cr. P. Hassall.) From Science Frontiers #89, SEP-OCT 1993 . 1993-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf089/sf089a01.htm
... be a serious shortage of carbon-based life forms elsewhere in the universe. In fact, there seems to be a great dearth of small, cool, solid, water-and-carbon-rich planets circling beneficent suns. Can it be that we are looking for extraterrestrial life in the wrong places? Life may have originated and prospered on the multitude of sun-less aggregations of matter drifting through the void, some doubtless quite close to us. Myriad nomadic planets may be roaming our Galaxy free from the clutches of parent stars. Two teams of astronomers think they have detected 25 of these free-floating planets, and say there could be hundreds of millions of them wandering the Milky Way. These free-floaters or "drifters" were created when small clouds of gas and dust coalesced under gravity's urging. If such collapsing clouds were less than 80 times Jupiter's mass, they would not be able to sustain nuclear reactions and become long-lived stars. Many would be-come "brown dwarfs." Still smaller aggregations -- less than 14 Jupiters -- would never shine at all. These would remain warm for a while as they dissipated the gravitational energy that created them. Such small objects would be temporarily detectable by infrared telescopes. Hundreds of such infrared "point sources" turn up in sky surveys. These are the only "drifters" we can detect. "Drifters" that have already cooled off are certainly out there by the hundreds of millions. (Muir, Hazel; "The Drifters," New Scientist, p ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf130/sf130p04.htm
... of vegetable food in the polar night is about as incongruous as imagining them trekking down to the Lower 481 Scientists are now maintaining that these dinosaurs did prosper on the shore of the Arctic Ocean, even in the dark, because the climate then was semitropical or temperate. This was because the earth's climate was more equable or uniform. They are, however, surprised by the lack of mineral deposition in the dinosaur bones, which look rather "mode m". (Anderson, Ian; "Alaskan Dinosaurs Confound Catastrophe Theorists, " New Scientist, p. 18, August 22, 1985. ) (The apparent survival of dinosaurs during two months of darkness is being used as an argument against asteroidal catastrophism, which it is claimed wiped out the dinosaurs with a long-lived dust cloud that blocked the sun. WRC) From Science Frontiers #42, NOV-DEC 1985 . 1985-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf042/sf042p19.htm
... 40: Jul-Aug 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Multiple Whirlwind Patterns English meteorologists are spending some of the lazy summer days out in the countryside tracking down whirl wind patterns engraved on fields of wheat and other crops. One eyewitness account of the formation of a single spial pattern has been found. However, the multiple spiral patterns excite the most interest because of their geometric regularity. Between 1980 and 1984, eight quintuplet patterns have been found consisting of a large central circle and four smaller satellite circles. Triplets were also discovered. Although the origins of the multiplet patterns are still unexplained, some interesting generalizations have emerged: 1. The whirlwinds responsible for the flattened circles of crops have lifetimes of only a few seconds, whereas dust devils may persist for many minutes; 2. These whirlwinds seem to occur around evening time instead of during the heat of the day; and 3. They are all anticyclonic, while tornados are almost all cyclonic and true heat whirlwinds are split about evenly in their spin direction. (Meaden, G.T .; "Advances in Understanding of Whirlwind Spiral Patterns in Cereal Fields," Journal of Meteorology, U.K ., 10:73, 1985.) Quintuplet circles found in a grain field near Cley Hill, England. From Science Frontiers #40, JUL-AUG 1985 . 1985-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf040/sf040p17.htm
... display many amazing features which denote an extraordinary phenomenon at work -- one which will be shown to have very considerable consequences for physics, meteorology, and other research disciplines in the coming years." (Meaden, G.T .; "The Major Developments in Crop-Circles Research in 1990, Part 1," Journal of Meteorology, U.K ., 16:51, 1991.) Crop-circle formation observed in 1934. July 1934. Eversden, England. The observer was a Miss K. Skin of Cambridg. "I witnessed a corn circle being formed in 1934. I was gazing over a field of corn waiting to be harvested when I heard a crackling like fire and saw a whirlwind in the centre of the field, spinning stalks, seeds and dust up into the air for about 100 or more feet. I found a perfect circle of flattened corn, the stalks interlaced and their ears lying on top of each other (some even plaited) on the periphery. The circle was hot to the touch." An interview with Skin confirmed that the plaiting of the stems was the same as observed today, 56 years later. In addition, the same whirlwind created a second circle about 4 meters in diameter in the corner of the same field. (Meaden, G.T .; "Crop-Circle Formation Witnessed in Cambridgeshire, July 1934." Journal of Meteorology, U.K ., 15:389, 1990.) From Science Frontiers #75, MAY-JUN 1991 . 1991-2000 William R. ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf075/sf075g12.htm
... ), organic material at the rear of the comet would survive intact. Figure provided by Paul Thomas. "New simulations suggest that large amounts of the organic molecules needed to form the first life on Earth could have been brought by comets that bombarded the planet early in its history. The models show that comets of moderate size would have slowed down enough during entry into the Earth's atmosphere for their organic component to survive the impact intact. .. .. . "The idea that comets supplied the Earth with the organic material needed to create life has been around for more than 20 years, but as often as some scientists have put forth the hypothesis, others have shot it down. "About 20% of comet nuclei are composed of organic matter, the rest ice and dust. Most of the organic component appears to be in a complex, polymerized form similar to kerogen, which is found in sedimentary rocks on Earth. From 4.33.7 billion years ago, during the period of heaviest bombardment by meteorites and comets, an estimated 1023 g of organic material would have been added to Earth by comet impacts had they made up 10% of the extraterrestrial flux. That is 1001000 times larger than most estimates of the photochemical production of the compounds over the same period." (Anonymous; "Comets and Life," Eos, no. 13, 1989.) Comment. Nowhere in the above article does one find the name of Fred Hoyle, whose ideas along these lines have been ridiculed for years. From Science Frontiers #63, MAY ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf063/sf063a06.htm
... Project Sourcebook Subjects Why aren't the martian craters worn down?The preceding, almost-Lowellian vision of a watery Mars is quite different from what the Mariner and Viking spacecraft tell us about the planet's present condition. Wind rather than water is now the main erosional force. The sand dunes and drifts, the wind-shadows behind rocks, and the sand-blasted surfaces all attest to the desertification of Mars. Ronald Greeley, of Arizona State University, and his colleagues have simulated Martian winds in a special wind tunnel at NASA's Ames Research Center. Using spacecraft-measured wind velocities and patterns, they tried to duplicate the Martian erosional environment. The results were a surprise. They implied that the Martian surface should be worn down by wind-driven sand and dust at rates up to 2 centimeters per century. But at that rate, the Martian craters, which are estimated to be hundreds of millions of years old, would have been worn level long ago. The researchers are now wondering what is wrong with their simulation. They venture that the Martian sand may not be "normal," or perhaps the eroding particles do not travel as fast as they figured. (Anonymous; "The Windblown Planet Mars," Sky and Telescope, 68:507, 1984.) Comment. Another interpretation is that Mars has not been desert-like for as long as presently believed. Reference. The subject of Martian crater obliteration is discussed further in AME20 in our Catalog: The Moon and the Planets. Ordering information here . From Science Frontiers # ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf037/sf037p05.htm
... 40 m (centre to centre)." The other three sets are very similar and are omitted here. The aerial photo-graphs of the quintuplets are remarkable. Meteorologists describe the circles as being the consequence of a large central whirlwind accompanied by four satellites. There seems to be some aero-dynamic basis for accepting the reality of large vortexes attended by several smaller ones. (Meaden, G.T .; "Whirlwind Spirals in Cereal-Fields: The Quintuplet Formations of 1983," Journal of Meteorology, U.K ., 9:137, 1984. Journal address: 54 Frome Road, Bradford-on-Avon, Wiltshire, BA15 1LD ENGLAND.)) Comment. The regularity of whirlwind circles has prompted some to label them "UFO nests." Desert dust devils and steam devils often exhibit coordinated motion and geometrical organization. See GWW0 in Tornados, Dark Days, Anomalous Precipitation. This book is described here . Some dynamically possible whirlwind patterns. SET 1 conformed to the second pattern. From Science Frontiers #36, NOV-DEC 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf036/sf036p14.htm
... Science Frontiers ONLINE No. 102: Nov-Dec 1995 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology ANCIENT ACOUSTICAL ENGINEERING THE CANDELABRA OF THE ANDES Astronomy HUGE FIREBALL EXPLOSION IN 1994 2,000,000,000 BC: THE EPOCH OF QUASARS Biology TWO POLITICALLY INCORRECT BIOCHEMICAL ANOMALIES FROM DUST UNTO ABYSSAL MUD PERFECT PITCH AND SUNDRY SYNDROMES KING CRAB CONGREGATIONS THE BIRDS Geology WARM LAKE FOUND UNDER ANTARCTIC ICE SHEET REMNANTS OF TUNGUSKA "WEIRD ICICLES" IN A REFRIGERATOR Geophysics A TUNGUSKA-LIKE BLAST IN BRAZIL IN 1930 STYTHE? ICE "METEORITES" FALL LONG-LIVED BUBBLE IN THE ATMOSPHERE Psychology UNCONVENTIONAL WATER DETECTION FUNGAL PHANTASMS Mathematics 1, 089, 533, 431, 247, 059, 310, 875, 780, 378, 922, 957, 447, 308, 967, 213, 141, 717, 486, 151 Physics SOUR GRAPES! ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf102/index.htm
... stars emplaced along the long axis of the elliptical galaxy. Some elliptical galaxies have up to twenty partial shells divided between the two ends of the ellipsoid. What is most intriguing is the fact that the shells are systematically arranged. The closest partial shell will be at one end of the ellipsoid, while the second closest will be at the opposite end. The third closest will be just beyond the first closest, and so on. The shells "interleave" or alternate ends as their distances increase. If the alternating partial shells of stars belong to the elliptical galaxy (they seem to, agewise), did the elliptical galaxy shoot the first wave out one end and then expel the second wave out the opposite end? Or did the alternating shells form in situ from the primordial gas and dust that made the galaxy? An-other possibility is that a small galaxy collided with the monster elliptical galaxy, and its constituent stars were scattered in regular waves. There is some physical and mathematical support for such a regular scattering of a burst of stars by a dense elliptical mass of target stars. (Edmunds, M.G .; "Galaxies in Collision," Nature, 311:10, 1984.) Comment. This star-scattering process reminds one of how electrons are scattered by crystals and other subatomic scattering situations. We may have here another place where quantum mechanics applies in macroscopic nature. Reference. Galactic "shells" are cataloged in AWO5 in our Stars, Galaxies, Cosmos. To order, visit: here . Ellipsoidal shells of stars along the axis of ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf036/sf036p04.htm
... Echoes And Visual Phenomenon Band-shaped "ghosts" seen on radar off the east coast of Africa. November 16, 1994. Eastern North Atlantic. Aboard the m.v . City of Durban . Enroute from Le Havre to Capetown. As seen by three of the ship's officers: "At 2230 UTC the observers noted on both the 3-cm and 10-cm radars, as well as visually, a wave or band-like phenomenon shown as a succession of 'bands' approximately 4 n.mile long with a uniform separation of about 0.8 n.mile. "The bands appeared as if they were precipitation but on passing through one of them nothing was observed nor were there any other particles [i .e ., no wind-blown dust], seeing as the vessel was off the West African coast at the time. The bands themselves caused a rippling effect on the sea surface of roughly 150 m wide, giving an otherwise calm sea a black appearance beneath them on what was a well moonlit night. Although the phenomenon looked like rain bands, the observers could not give an otherwise definite solution for it." (Herring, R.M .; "Radar Echoes," Marine Observer, 65:170, 1995) From Science Frontiers #103, JAN-FEB 1996 . 1996-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf103/sf103g12.htm
... Science Frontiers ONLINE No. 8: Fall 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Rings of uranus: invisible and impossible?Now that they have discovered nine rings around Uranus, astronomers are having trouble explaining them. First, if they are made up of small chunks of matter, the laws of celestial mechanics dictate that they should quickly spread out radially into much wider rings in just a decade or two. In other words, if the rings are ancient they should not have maintained their present form. Second, the rings are invisible when one would expect them to be bright like Saturn's . Yet, 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 ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf008/sf008p06.htm
... 773,730." S. Devi is also a calendar calculator, being able to name the day of the week for any date in the past or future, taking into account leap years and calendar changes. She never attended school or had any formal mathematical training! (Young, Luther; "Numbers Whiz Takes Delight in Beating Computers;" Baltimore Sun, January 21, 1988, p. A1.) Comment. Such prodigies have appeared regularly down recorded history. What is the meaning of the phenomenon? Why does evolution produce talents that far exceed the "need" of the species? Is there a "need" that we are not aware of? It could be that prodigies are precursors of new evolutionary developments, which will leave poor homo sapi ens in the intellectual dust. Surely, science fiction has a story about a secret society of transcendent geniuses living under some mountain or even on some planet! Maybe that's how "the face on Mars" got there! From Science Frontiers #56, MAR-APR 1988 . 1988-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf056/sf056p14.htm
... might" dwell, based upon the anomalous behavior of matter around these regions: (1 ) at the centers of some galaxies, including our own Milky Way; and (2 ) as unseen components of some close double stars, where the mass of the unseen companion is too great for it to be an ordinary neutron star. W. Kundt and D. Fischer, at Bonn University, have recently concluded that the second possibility is better explained without resorting to black holes. For example, a neutron star with a massive accretion disk might suffice. As for black holes at the centers of galaxies, with masses of several million suns, gravitationally sucking in surrounding matter and careless spaceships - well, they are possible. Unfortunately, galac-tic centers are too far away and obscured by dust for us to be certain what lies at their cores. Black holes are really only surmise; although they make good copy! (Anonymous; "No Black Holes?" Sky and Telescope, 78:572, 1989.) From Science Frontiers #68, MAR-APR 1990 . 1990-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf068/sf068a03.htm
... to huge telescopes. Nevertheless, while recently paging through Exploring the Southern Sky , by G. Madsen and R. West, Walter A. Feibelman (NASA Goddard Space Flight Center) recognized something that had caught his attention decades before. High-resolution photographs of nebulae show large numbers of faint stars surrounded by circular or oval 'empty' regions, giving the impression that the stars are sitting in 'sockets,' a few arc seconds across, swept free of nebulosity." Feibelman rules out photographic effects, such as halation, but has no ready explanation for socket stars. M.W . Castelez (Allegheny Observatory) has added to the mystery by pointing out that many socket stars show excess infrared emission. He considers this strong evidence that socket stars are surrounded by shells of dust and may represent an unrecognized stage of stellar evolution. (Anonymous; "Socket Stars," Sky and Telescope, 79:476, 1990.) From Science Frontiers #70, JUL-AUG 1990 . 1990-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf070/sf070a03.htm
... is something of a shock to find profound dissimilarities between asteroids and meteorites. "The problem is that while reflectance spectra of some meteorites measured in the laboratory appear to correspond to spectra of various asteroids, the S class, which makes up about half of all asteroids in the inner belt, doesn't appear to match any common meteorite class, and conversely, common meteorite classes (e .g ., Ordinary Chondrites) appear to match only a few asteroids." (Harris, Alan W.; "Asteroid 29 Amphitrite Is a Topic of Interest," Geotimes, 30:25, June 1985.) Comment. Note that the visual meteors or shooting stars that burn up high in the atmosphere are believed to be cometary debris (SF#44) and mostly ice and dust. The meteors large and substantial enough to make it through the atmosphere and arrive at the surface as meteorites must have a different source -- something more palpable, such as the asteroids, but the spectral disparities reported above may force a reevaluation of this theory. From Science Frontiers #45, MAY-JUN 1986 . 1986-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf045/sf045p06.htm
... Science Frontiers ONLINE No. 86: Mar-Apr 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Cosmic Snowballs And Magnetic Asteroids The genesis of a cosmic "dust bunny". The nebulous meteor of July 29, 1970, as observed over Dover, England. The great diversity of the debris swirling around the solar system is making life difficult for scientists trying to reconstruct solar-system history. At the high end of the density spectrum, we now have an asteroid that seems to be mostly metal (probably iron). This is the asteroid Gaspra, some 13 kilometers across, that the Galileo spacecraft encountered in August 1992 on its way to Jupiter. Scientists had not expected Galileo's magnetometer to flicker as it passed Gaspra at a distance of 1600 kilometers -- but it did. In fact, considering the inverse square law and Gaspra's small size, it was a magnetic wallop. Thus, Gaspra is the first known magnetic asteroid; and it is probably mostly metal. (Kerr, Richard A.; "Magnetic Ripple Hints Gaspra Is Metallic," Science, 259: 176, 1993.) At the low end of the density spectrum, we now find that Pluto's moon, Charon, and some of Saturn's moons have very low densities (1 .2 -1 .4 ), meaning they are probably mostly water ice. Such density figures come from direct observation of these objects' volumes combined with mass estimates from their orbital dynamics. (Crosswell, Ken; " ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf086/sf086a04.htm
... been thought. In fact, they may be characterized as small icy comets; that is, compositionally like the dirty snowballs that comets are now thought to be, but much, much smaller. The implication is that from 1,000 to 10,000 times more material is being added to the earth's atmosphere than previously believed -- most of it being water. (Weisburd, S.; "Atmospheric Footprints of Icy Meteors," Science News, 128:391, 1985.) Comment. From this launchpad, one's thoughts can really take off. How much water can this bombardment of icy meteors add to the earth, Mars, and other solar system bodies? In the item under GEOLOGY about the Greenland ice cores, it was indicated that the extraterrestrial dust influx during the Ice Ages might have been as high as 3 x 107 tons per year. If 10,000 times this amount of water is added to the atmosphere from icy meteors, we are approaching 1012 tons of extraterrestrial water per year -- far from an inconsiderable amount. The effects on the earth's climate could be large. If even greater fluxes of icy meteors were intercepted in the past, one might account for "pluvial episodes" on the planets. And further, comets now seem to transport "primordial organic sludge" around the solar system, as mentioned earlier under ASTRONOMY. We will leave further speculation to the reader. From Science Frontiers #44, MAR-APR 1986 . 1986-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf044/sf044p13.htm
... last issue of Science Frontiers. Now, in a recent issue of New Scientist, T. Hallam raises still more objections: Tropical plants, mammals, crocodiles, birds, and benthic invertebrates were little affected by whatever happened at the Cretaceous-Tertiary interface. Furthermore, many groups that were extinguished were already well into a decline. Some geologists insist that some of the supposedly synchronous extinctions were probably separated by several hundred thousand years; viz., plankton and dinosaurs. The vaunted iridium anomaly in deep-sea cores is spread through a considerable thickness of sediment. Even after allowing for the mixing of sediments, the iridium-rich layer is thousands of years thick. According to the asteroid scenario, the clay layer separating the Cretaceous from the Tertiary should represent the fallout from impact-raised dust, which would include asteroidal material and a mixed sample of earth rocks. However, in Denmark, the boundary is marked by the so-called Fish Clay, which is almost pure smectite -- a single mineral and not a mixture of terrestrial rock flour. If it wasn't an asteroid impact, why the iridium concentration? At least three hypotheses have been proposed to circumvent the asteroid debacle: (1 ) volcanic activity; (2 ) a concentration of micrometeorites, thousands of tons of which fall each day, through extreme reduction of sedimentation; and (3 ) selective enrichment of iridium by an anoxic environment acting upon kerogenand pyrite-rich clay. In short, some geologists at least do not find the asteroid hypothesis compelling at the moment. (Hallam, Tony; ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf037/sf037p10.htm
... meteorite collection site (the Allan Hills Main Icefield) has revealed a band consisting of unusually dark and rounded particles, many of which are spheroidal. This debris layer (BIT-58) extends parallel to the stratigraphy of the ice established from the tephra bands, and thus apparently marks a single depositional event. Several kilograms of ice from two sites along this band were subsequently collected and melted, yielding a few grams of sediment for further study." Microscopic examination and microprobe analysis led to the following conclusions: "Although direct evidence of an extraterrestrial origin for this debris layer (such as the presence of cosmogenic 10 Be and 26Al) has not yet been obtained, the available data strongly suggest that this sediment originated as meteoritic spallation debris. This debris is distinct from other Antarctic 'cosmic dust' collections by virtue of its uniform, recognizable, ordinary chondrite composition and the consistent relation shown between grain size and texture. The BIT-58 layer probably originated from a single transient event, the passage and/or impact of a single large meteorite over the East Antarctic icesheet." (Harvey, R.P . et al; "A Meteoritic Event Layer in Antarctic Ice," Meteoritics, 30:517, 1995) Comment. The Petrozavodsk Phenomenon under ASTRONOMY might well have left a layer like this. The 1908 Tunguska Event (Siberian Meteor) undoubtedly did. (SF#102) From Science Frontiers #104, MAR-APR 1996 . 1996-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf104/sf104p09.htm
... has strongly dominated Western thought since Descartes. The meanings or ideas imbedded in words which are spoken by one person and deeply accepted by another can be communicated to the cells of the body (and to chemicals within the cells); the cells then can change their activities in order to conform to the meanings or ideas which have been transmitted to them. The believed-in (suggested) idea of being stimulated by a poison ivy-type plant, transmitted to a person who is normally hypersensitive to this type of plant, can affect specific cells (probably in the immunological and vascular systems) so that they produce the same type of dermatitis which results when the person actually is stimulated by a poison ivy-type plant. Similarly, individuals who are viewed as allergic to pollen or house dust may not manifest the allergic reaction when they believe (falsely) that they have not been exposed to the allergic substance. .. .. . "Believed-in suggestions can affect specific parts of the body in very specific ways. Suggestions of being burned can give rise to a very specific irregular pattern of inflammation on the hand that closely follows the pattern of a previously experienced actual burn in the same place. Suggestions that a congenital skin disorder will ameliorate step by step first in one area of the body, then in another, can be actualized exactly as suggested. At least one set of investigators found that suggestions that specific warts will regress can be effective in removing just those warts and not others." In addition to the subjects mentioned in the quotations, the following topics ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf034/sf034p19.htm
... low-lying northern plains are much flatter than thought. For thousands of kilometers, they are smooth on a scale of hundreds of meters. This is flatter than the lava flows of the lunar maria; flatter than the smoothest central Sahara. These startling data come from the MGS's laser altimeter that can measure elevation of the terrain below it with 10meter accuracy averaged over the beam width of 150 meters. The only known terrain in the entire solar system that can match this flatness is the abyssal, sediment-filled floor of the South Atlantic. Hmmm! Does this imply that the northern plains of Mars were once an ocean floor? That's the favorite interpretation today. Of course, they might also be lava plains created by a colossal ancient impact, made smoother by blown dust. (Kerr, Richard A.; "Surveyor Shows the Flat Face of Mars," Science, 279:1634, 1998.) From Science Frontiers #117, MAY-JUN 1998 . 1998-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf117/sf117p02.htm
... Science Frontiers ONLINE No. 49: Jan-Feb 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Geomagnetic Reversals From Impacts On The Earth R.A . Muller and D.E . Morris review the evidence tying geomagnetic reversals to the impacts of large bodies with the earth: the tektites and microtektites; the climate changes; the biological extinctions, etc. Then they propose a physical mechanism for geomagnetic reversals: "The impact of a large extraterrestrial object on the Earth can produce a geomagnetic reversal through the following mechanism: dust from the impact crater and soot from fires trigger a climate change and the beginning of a little ice age. The redistribution of water near the equator to ice at high latitudes alters the rotation rate of the crust and mantle of the Earth. If the sea-level change is sufficiently large ( 10 meters) and rapid (in a few hundred years), then the velocity shear in the liquid core disrupts the convective cells that drive the dynamo. The new convective cells that subsequently form distort and tangle the previous field, reducing the dipole component near to zero while increasing the energy in multipole components. Eventually a dipole is rebuilt by dynamo action, and the event is seen either as a geomagnetic reversal or as an excursion." (Muller, Richard A., and Morris, Donald E.; "Geomagnetic Reversals from Impacts on the Earth," Geophysical Research Letters, 13:1177, 1986.) Comment. That the earth's field is generated by internal dynamo action is ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf049/sf049p18.htm
... forming sulphur gases into the troposphere and stratosphere. Although the ash gravitationally settles out within weeks, the aerosols spread around the globe and can remain suspended in the stratosphere for years. Because solar radiation is easily absorbed and backscattered by the volcanic particles, a haziness in the sky and a dimming of the Sun and Moon are produced. Very dense and widespread dry fogs occur, on the average, once every few centuries. The sizes and intensities of some of the largest of them before the modern scientific era have been estimated by several indirect methods. The densest and most persistent dry fog on record was observed in Europe and the Middle East during AD 536 and 537. Despite the earliness of the date, there is sufficient detailed information to estimate the optical depth and mass of this remarkable stratospheric dust cloud. The importance of this cloud resides in the fact that its mass and its climatic consequences appear to exceed those of any other volcanic cloud observed during the past three millenia. Although the volcano responsible remains a mystery, a tropical location (perhaps the volcano Rabaul on the island of New Britain, Papua, New Guinea) can be tentatively inferred." (Stothers, R.B .; "Mystery Cloud of AD 536," Nature, 307:344, 1984.) Comment. Some of the "dry fogs" were accompanied by luminous nights, as in 1821 and 1831. See GWD4 in Tornados, Dark Days, Anomalous Precipitation. This Catalog volume is described here . From Science Frontiers #33, MAY-JUN 1984 . 1984-2000 William R. ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf033/sf033p19.htm
... . A satisfying rebuke to the TLP naysayers was recently delivered by JPL's B. Buratti at the October 1999 meeting of the American Astronomical Society in Padua, Italy. Her specific TLP occurred on April 23, 1994. At that time, about one hundred amateur astronomers noticed a 40-minute darkening near the edge of the bright lunar crater Aristarchus. Happily, when this hundred-fold "illusion" took place, the lunar satellite Clementine was mapping the area around Aristarchus. Defying the dogmatists, Buratti scrutinized the Clementine data again. Sure enough, Aristarchus had really turned redder after the TLP reported by the amateur astronomers. Such lunar color changes are readily explained as due to eruptions of pockets of gases trapped below the moon's surface. These blow-outs can spread colored dust over areas extensive enough to be visible through the small telescopes used by amateur astronomers. (Seife, Charles; "Moon Mystery Emerges from the X-Files," New Scientist, p. 22, October 23, 1999.) Comment. In this context of overly rigid dogma, we repeat a truism voiced by physicist R. Feynman: "Scientific knowledge is a body of statements of varying degrees of certainty -- some most unsure, some nearly sure, none absolutely sure." The shaded area marks a color phenomenon seen in the crater Gassendi April 30, 1966. (From The Moon and the Planets). From Science Frontiers #127, JAN-FEB 2000 . 1997 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf127/sf127p04.htm
... bona fide tektites. The thickness of the Haitian deposit and the large sizes of the particles suggest that the smoking gun must be nearby. Ironically, the Haiti stratum was originally classified as of volcanic origin; and we must add that we are presenting here only the conclusions of the asteroid school. But where oh where is this crater? The Manson crater in Iowa (now buried) is of the right age but too small. The best candidate so far is buried in northern Yucatan. The Chicxulub crater is discernible on gravity- and magneticanomaly maps and is probably of the right age. Only drilling will confirm the guilt of the suspect. Even if Chicxulub is the culprit, much debate prevails over exactly how the dinosaurs were done in. Was it a "cosmic winter" due to dust intercepting sunlight? Or perhaps a "cosmic summer" resulting from a super-greenhouse effect caused by: (1 ) impact-released methane trapped in sediments, and (2 ) the CO2 from zapped carbonate rocks. (Smit, Jan; "Where Did It Happen?" Nature, 349:461, 1991, and Sigurdsson, Haraldur, et al; "Glass from the Cretaceous/Tertiary Boundary in Haiti," Nature, 349:482, 1991.) Reference. Section ETC in catalog Carolina Bays, Mima Mounds is devoted entirely to impact craters. Ordering data here . From Science Frontiers #75, MAY-JUN 1991 . 1991-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf075/sf075g09.htm
... satellite. These data gave meteorologists the temperatures of the lowest 6 kilometers of the atmosphere from all areas of the planet. The temperature difference between full moon and new moon was only 0.02 C, with the full-moon temperature being the higher. (Ref. 1) A second study took actual surface temperatures measured at noon GMT each day at 51,200 locations around the world. These near-surface temperatures revealed a difference of 0.2 C between full and new moons -- ten times larger than that from the satellite study. (Ref. 2) 0.2 C and even 0.02 C are much too large to be attributed to direct lunar "heating." Instead, geophysicists wonder if the moon's orbit modulates the influx of meteoric dust which may affect solar heating of the earth by absorption. References Ref. 1. Balling, Robert C., Jr., and Cerveny, Randall S.; "Influence of Lunar Phase on Daily Global Temperatures," Science, 267:1481, 1995. Ref. 2. Gribbin, John; "A Mysterious Monthly Temperature Cycle," New Scientist, p. 18, January 28, 1995. From Science Frontiers #100, JUL-AUG 1995 . 1995-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf100/sf100g11.htm
... -09-7 , 7x10-in format. Hardcover edition, $24.95: out of stock Tornados, Dark days, Anomalous Precipitation: A catalog of Geophysical Anomalies Sorry: Out of Print. No longer available. Here is our "weather' Catalog. As everyone knows, our atmosphere is full of tricks, chunks of ice fall from the sky, tornado funnels glow at night. The TV weathermen rarely mention these "idiosyncrasies". [Picture caption: Conical hailstones with fluted sides] Typical subjects covered: Polar-aligned cloud rows * Ice fogs (the Pogonip) * Conical hail * Gelatinous meteors * Point rainfall * Unusual incendiary phenomena * Solar activity and thunderstorms * Tornados and their association with electricity * Multiwalled waterspouts * Explosive onset of whirlwinds * Dry fogs and dust fogs * Effect of the moon on rainfall * Ozone in hurricanes * Ice falls (hydrometeors) Comments from reviews: ". .. can be recommended to every one who realizes that not everything in science has been properly explained", Weather 202 pages, hardcover, $16.95, 40 Illustrations, 5 indexes, 1983. 745 references, LC 82-63156, ISBN 915554-10-0 , 7x10 format. Earthquakes, Tides, Unidentified Sounds: A Catalog of Geophysical Anomalies Sorry: Out of Print. No longer available. Quakes and monster, solitary waves and natural detonations; these are the consequences of solids, liquids, and gases in motion. In our modern technological cocoon, we are hardly aware of this rich spectrum of natural phenomena. [Picture caption ...
Terms matched: 1 - Score: 12 - 10 Oct 2021 - URL: /sourcebk.htm
