7968 Elst–Pizarro
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Comet Elst–Pizarro is a body that displays characteristics of both asteroids and comets, and is the prototype of active asteroids. Its orbit keeps it within the asteroid belt, yet it displayed a dust
7968 Elst–Pizarro imaged at La Silla Observatory in August 1996. The narrow tail is visible.
Hyakutake Color
3200 Phaethon
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3200 Phaethon, provisionally designated 1983 TB, is an active Apollo asteroid with an orbit that brings it closer to the Sun than any other named asteroid. For this reason, it was named after the Gree
Phaethon's dust ejection is likely caused by a mechanism similar to how mud in a dry lake bottom cracks from heat
Phaethon imaged on December 25, 2010, with the 37-cm f/14 Rigel telescope at Winer Observatory by Marco Langbroek