Astronomy & Cosmos 1: Comets bring Death or Life?

Could these beautiful celestial objects be the source of life on Earth, as well as our undoing?

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Channels: Astrophysics

Tags: astronomy cosmos comets physics life extraterrestrials

Uploaded by: ( Send Message ) on 13-05-2009. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 6m 59s

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