This episode examines the chances of a comet hitting Earth again. It's happened before many times, once even wiping out the dinosaurs. How astronomers could spot new ones as they barrel through space is shown. The question remains, how could they could they stop one even if they find it?
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Earth Investigated - 2007x13 Comet Mysteries
- Poor
- Nothing special
- Worth watching
- Pretty cool
- Awesome
- Aired Aug 09, 2007
- Episode 2007x13
- Show special No
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