Tweet from Virtual Astronomer (VirtualAstro)

Virtual Astronomer:
Want to see what an asteroid COULD do if it were to hit the Earth, check out the really cool http://simulator.down2earth.eu/ via @NickAstronomer

http://twitter.com/VirtualAstro/status/162583188554788865

(Enviado vía Seesmic http://www.seesmic.com)