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Scientific American

July 1, 1990

1 min read

Lost in the Clouds

Astronomers hunt for 100 trillion missing comets

By Corey S. Powell

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Corey S. Powell is co-editor of OpenMind.

More by Corey S. Powell

This article was originally published with the title “Lost in the Clouds” in Scientific American Magazine Vol. 263 No. 1 (July 1990), p. 30
doi:10.1038/scientificamerican0790-30b

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