Published October 14, 2005
| public
Journal Article
Deep Impact: Observations from a Worldwide Earth-Based Campaign
Chicago
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Abstract
On 4 July 2005, many observatories around the world and in space observed the collision of Deep Impact with comet 9P/Tempel 1 or its aftermath. This was an unprecedented coordinated observational campaign. These data show that (i) there was new material after impact that was compositionally different from that seen before impact; (ii) the ratio of dust mass to gas mass in the ejecta was much larger than before impact; (iii) the new activity did not last more than a few days, and by 9 July the comet's behavior was indistinguishable from its pre-impact behavior; and (iv) there were interesting transient phenomena that may be correlated with cratering physics.
Additional Information
© 2005 American Association for the Advancement of Science. 17 August 2005; accepted 1 September 2005; Published online 8 September 2005. Supported by the University of Maryland and by University of Hawaii subcontract Z667702, which was awarded under prime contract NASW-00004 from NASA. We thank telescope allocation committees everywhere, too numerous to list, for their generous support of time.Additional details
- Eprint ID
- 51773
- DOI
- 10.1126/science.1118978
- Resolver ID
- CaltechAUTHORS:20141114-111746237
- University of Maryland
- University of Hawaii
- Z667702
- NASA
- NASW-00004
- Created
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2014-11-14Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field
- Caltech groups
- Division of Geological and Planetary Sciences (GPS)