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Is Space Trying To Kill Us? - Ron Shaneyfelt

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 Astronomy   |   Physics   |   Science
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View full lesson: http://ed.ted.com/lessons/is-space-trying-to-kill-us-ron-shaneyfelt

How likely is it that a massive asteroid will do major damage to Earth and its inhabitants? What about the sun -- is it dying out anytime soon? And the supermassive black hole at the center of the Milky Way -- should we be worried about that? Ron Shaneyfelt assesses the dangers of space.

Lesson by Ron Shaneyfelt, animation by Retchy.

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