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Top U.S. Space Expert Issues Catastrophic Warning on Comet Elen

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At the time of discovery Elenin had an apparent magnitude of 19.5, making it about 150,000 times fainter than the naked eye magnitude of 6.5. The...
Description: At the time of discovery Elenin had an apparent magnitude of 19.5, making it about 150,000 times fainter than the naked eye magnitude of 6.5. The discoverer, Leonid Elenin, estimates that the comet nucleus is 3-4 km in diameter.
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