Phil Plait

How to defend Earth from asteroids

14:16 •
Filmed Jan 2011 at TEDxBoulder 2011
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What's six miles wide and can end civilization in an instant? An asteroid — and there are lots of them out there. With humor and great visuals, Phil Plait shows us all the ways asteroids can kill us (yipes), and what we must do to avoid them.

Phil Plait
/ Astronomer

Phil Plait blogs at Bad Astronomy, where he deconstructs misconceptions and explores the wonder of the universe.  Full bio.

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