Comets are strange and exotic objects, the remnants from dead stars. Patrick Moore discusses NASA's EPOXI mission, which hopes to rendezvous with comet Hartley 2. Show more
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Comets are strange and exotic objects, the remnants from dead stars. Patrick Moore discusses NASA's EPOXI mission, which hopes to rendezvous with comet Hartley 2. Show more
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
