PDA

View Full Version : Every Way Devised to Deflect an Asteroid



Fraser
2011-Nov-09, 07:00 PM
With asteroid 2005 YU55 passing close by Earth yesterday, this rather unsettlingly near flyby has many people wondering if we would be able to divert an asteroid that was heading for an intersection with Earth in its orbit. Of course, as natural disasters go an asteroid strike on Earth would be extremely bad. Even relatively [...]

More... (http://www.universetoday.com/90798/every-way-devised-to-deflect-an-asteroid/)

Noclevername
2011-Nov-09, 09:20 PM
Magsail's not on the list. Ha! Not every method devised, then.

Chew
2011-Nov-09, 11:32 PM
Exactly how much would an asteroid need to be deflected to miss the Earth? 1 m/s, 10 m/s, etc? If an asteroid coming in from the Oort Cloud were detected as it passed Jupiter's orbit and calculations said it would smack square into the Earth, how much would it needed to be slowed or sped up to miss the Earth?