# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2012-01-15 13:03:08 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/158534681090981888) Phil Plait: How to defend Earth from asteroids http://t.co/MDUDq1ME <--- Great and funny TED Talk