Why the Sun hasn't been able to destroy the Earth

NASA animation shows why we're protected from cosmic rays that damage other planets

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In case you haven't seen it yet, NASA has posted this cool video called "Dynamic Earth", which offers up some animations and explanations on why events like coronal mass ejections don't harm the Earth as they would other planets, such as Venus. Cool stuff.

I wonder if the cosmic rays affect Uranus?

Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.

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