The Sky at Night

Season 2010, Episode 11

Episode Title: Ghostly Travellers

Air Date: 2010-11-08

Overview:

Comets are strange and exotic objects, the remnants from dead stars and the birth pangs of our solar system. Only a handful of these ghostly, celestial objects have been seen at close quarters. Sir Patrick Moore discusses NASA's EPOXI mission, which hopes to rendezvous with comet Hartley 2.