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Comets: the universal recipe?

POSTED 28 JULY 2005
Credits

Mark Bailey
Armagh Observatory (Northern Ireland).

Gary Bernstein
associate professor of physics and astronomy
University of Pennsylvania.

Donald Brownlee
professor of astronomy
University of Washington.

* Lawrence Soderblom
research geophysicist
U.S. Geological Survey, Flagstaff, Ariz.

* indicates fact-checker

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Megan Anderson, author; Terry Devitt, editor; S.V. Medaris, designer/illustrator; David Tenenbaum, feature writer; Amy Toburen, content development executive

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