Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System

Sierks, H.; Lamy, P.; Barbieri, C.; Koschny, D.; Rickman, H.; Rodrigo, R.; F. A’Hearn, M.; Angrilli, F.; A. Barucci, M.; L. Bertaux, J.; Bertini, Ivano; Besse, S.; Carry, B.; Cremonese, G.; Da Deppo, Vania; Davidsson, B.; Debei, S.; De Cecco, M.; de León, J.; Ferri, F.; Fornasier, S.; Fulle, M.; F. Hviid, S.; W. Gaskell, R.; Groussin, O.; J. Gutiérrez, P.; Ip, Wing‐Huen; Jordá, L.; Kaasalainen, M.; U. Keller, H.; Knollenberg, J.; Kramm, R.; Kührt, E.; Küppers, M.; M. Lara, L.; Lazzarin, M.; Leyrat, C.; J. López‐Moreno, J.; Magrin, Demetrio; Marchi, S.; Marzari, F.; Massironi, Matteo; Michalik, H.; Moissl, Richard; Naletto, G.; Preusker, Frank; Sabau, L.; Sabolo, W.; Scholten, F.; Snodgrass, C.; Thomas, N.; Tubiana, C.; Vernazza, Pierre; Vincent, Jean‐Baptiste; P. Wenzel, K.; P. Andert, T.; Pätzold, M.; P. Weiss, B.

doi:10.1126/science.1207325

Public

Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System

Published in Science • Oct 27, 2011

Authors:

H. Sierks

P. Lamy

C. Barbieri

Abstract

Images obtained by the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21 Lutetia has a complex geology and one of the highest asteroid densities measured so far, 3.4 ± 0.3 grams per cubic centimeter. The north pole regi...

Subject

Planetesimal

Asteroid

Astrobiology

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