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1. Chain of Impact Craters Suggested by Spaceborne Radar Images
Chain of Impact Craters Suggested by Spaceborne Radar Images . ... A team of scientists believes they have discovered a chain of impact craters in the central African country of Chad that suggests ancient Earth may have been hit by a large, fragmented comet or asteroid similar to the Shoemaker-Levy 9 comet that slammed into Jupiter in 1994. ... The Spaceborne Imaging Radar project is managed by the Jet Propulsion Laboratory for NASA's Office of Mission to Planet Earth, Washington, DC. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/craterpr.htm -- 6.8 Кб -- 15.03.1998
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