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A large dust/ice ratio in the nucleus of comet 9P/Tempel 1

✍ Scribed by Küppers, Michael; Bertini, Ivano; Fornasier, Sonia; Gutierrez, Pedro J.; Hviid, Stubbe F.; Jorda, Laurent; Keller, Horst Uwe; Knollenberg, Jörg; Koschny, Detlef; Kramm, Rainer


Book ID
109895383
Publisher
Nature Publishing Group
Year
2005
Tongue
English
Weight
267 KB
Volume
437
Category
Article
ISSN
0028-0836

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The nucleus of Comet 9P/Tempel 1, the target of the Deep Impact mission, was detected during Hubble Space Telescope observations taken with the wide-field planetary camera 2 (WFPC2) on 31 December 1997 when the comet's solar phase angle was 3. • 8, its heliocentric distance was 4.48 AU, and its geoc