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Science 5 October 2001:
Vol. 294. no. 5540, pp. 27 - 29
DOI: 10.1126/science.294.5540.27b
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News of the Week

PLANETARY SCIENCE:
Close Look at the Heart of Borrelly

Richard A. Kerr

Flying on a wing and a prayer, NASA's "aged and wounded" Deep Space 1 spacecraft has returned pictures of the dirty snowball buried within comet Borrelly, revealing recognizable geology on a comet nucleus for the first time. At a press conference at the Jet Propulsion Laboratory last week in Pasadena, California, scientists described Borrelly's rugged terrain and towering jets of dust and vaporized ice that hint at a potentially catastrophic demise for the 8-kilometer-long, bowling-pin-shaped object.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)