Season 23, Episode 4 The Doomsday Asteroid

First Aired: October 31, 1995

Surveying the threat that comets and meteors may pose to humanity. Included: footage of the site of a 1908 asteroid explosion thought to have burned 1000 miles of forest and the 1994 collision of 21 comets with Jupiter.

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  • Premiered: March 3, 1974
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  • User Rating:4.51 out of 5 (139 ratings)
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  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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