Spacecraft Could Save Earth from Asteroids
Friday, September 4, 2009 - 09:14
in Astronomy & Space
(PhysOrg.com) -- British space engineers working for a space company in Stevenage in England, have designed a "gravity tractor" spacecraft to deflect any asteroids threatening to collide with Earth. The announcement comes only weeks after an asteroid collision scar around the size of Earth was detected on Jupiter.