The Deep Impact Project

Details The Deep Impact Project The Deep Impact Project

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..746a&link_type=abstract

Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 July

Astronomy and Astrophysics

Astronomy

Scientific paper

Delivering a 1/3-ton impactor at 10 km/s into P/Tempel 1 on 4 July 2005 we are carrying out the first planet-scale experiment on a comet. The goals are to understand the physical structure of the outer layers and the evolutionary differences between surface and interior. Cratering experts disagree on the phenomenolgy that will occur - from a crater >200m diamter and >30m deep to deep tunneling into very porous material. Our baseline is crater ~100m diamter and ~25m deep formed in ~200 seconds. The flyby spacecraft will have 800 seconds to observe crater formation and final state with cameras and a long-slit near-infrared (1-5 micron) spectrometer. Ground-based and low-Earth orbital observations will play an important role in interpretation. This work is supported by a large science team a large technical team and funding from NASA.

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