Podknife - What's Flinging Comets Out of the Oort Cloud? by 60-Second Space

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What's Flinging Comets Out of the Oort Cloud?

Podcast |: 60-Second Space
Publisher |: Scientific American
Media Type |: audio
Podknife tags |: Astronomy,; Natural Sciences,; Science & Medicine,; Technology
Categories Via RSS |: Science & Medicine,; Society & Culture,; Technology
Publication Date |: May 31, 2011
Episode Duration |: 00:01:15

A planet-size object could be behind the odd departure of some comets from the Oort Cloud--and toward us. John Matson reports

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