Article ID Journal Published Year Pages File Type
1775984 Icarus 2006 4 Pages PDF
Abstract

Arecibo radar observations of Comet P/2005 JQ5 (Catalina) have produced the first delay-Doppler images of a comet nucleus and the first radar detection of large-grain ejection from a Jupiter-family comet. The nucleus is small (1.4 km diameter), rough, and rapidly rotating. The large (>cm) grains have low velocities (∼1 m/s) and a low production rate.

Related Topics
Physical Sciences and Engineering Earth and Planetary Sciences Space and Planetary Science
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