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Fraser
2005-Dec-29, 03:36 PM
Forget about nuclear weapons, if you need to move a dangerous asteroid, you should use a tractor beam. Think that's just Star Trek science? Think again. A team of NASA astronauts have recently published a paper in the Journal Nature. They're proposing an interesting strategy that would use the gravity of an ion-powered spacecraft parked beside an asteroid to slowly shift it out of a hazardous orbit. Dr. Stanley G. Love is member of the team and speaks to me from his office in Houston.

Read the full blog entry (http://www.universetoday.com/2005/12/29/podcast-gravity-tractor-beam-for-asteroids/)

nativeworld
2007-Jan-03, 04:13 AM
Could someone actually make a tractor beam that can pull asteroids toward a planet?