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No. 17: Fall 1981

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Mysteries Around Uranus

August 15, 1980. European Southern Observatory, La Silla, Chile. Using the 3.6-meter reflector and a photoelectric detector, astronomers recorded the occultation of a star by Uranus. The currently recognized rings of Uranus were duly noted as they dimmed the star's light, but so did seven other "objects." Observers at Las Campanas and Cerro Tololo, who were also monitoring the occultations, did see the seven extra occultations of the star. Clouds and faulty equipment have been ruled out. No one knows what caused the anomalies,

(Anonymous; "More Mysteries of Uranus' Rings," Solar System Today, 3:56, 1981.)

From Science Frontiers #17, Fall 1981. � 1981-2000 William R. Corliss