Deep Impact: Excavating Comet Tempel 1

F. A’Hearn, Michael; J. S. Belton, M.; A. Delamere, W.; Kissel, J.; P. Klaasen, K.; A. McFadden, L.; J. Meech, K.; J. Melosh, H.; H. Schultz, P.; M. Sunshine, J.; C. Thomas, P.; Veverka, J.; K. Yeomans, D.; Baca, M.; Busko, I.; Crockett, Christopher; Collins, S.M.; Desnoyer, M.; A. Eberhardy, C.; M. Ernst, C.; L. Farnham, T.; M. Feaga, Lori; Groussin, O.; L. Hampton, D.; И. Ипатов, С.; Li, Jian‐Yang; J. Lindler, Don; M. Lisse, C.; Mastrodemos, Nickolaos; M. Owen, W.; E. Richardson, J.; D. Wellnitz, D.; L. White, R.

doi:10.1126/science.1118923

Public

Deep Impact: Excavating Comet Tempel 1

Published in Science • Sep 9, 2005

Authors:

Michael F. A’Hearn

M. J. S. Belton

W. A. Delamere

Abstract

Deep Impact collided with comet Tempel 1, excavating a crater controlled by gravity. The comet's outer layer is composed of 1- to 100-micrometer fine particles with negligible strength (1000 kelvins). A large increase in organic material occurred during and after the event, with smaller changes in c...

Subject

Ejecta

Impact crater

Comet

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