PDA

View Full Version : A Benevolent Sort of Asteroid Bombardment?



Fraser
2009-May-20, 05:20 PM
Celestial impacts can bring life as well as wipe it out, say the authors of a new study out of the University of Colorado at Boulder.A case in point: the bombardment of Earth nearly 4 billion years ago by asteroids as large as Kansas would not have had the firepower to extinguish potential early life [...]

More... (http://www.universetoday.com/2009/05/20/a-benevolent-sort-of-asteroid-bombardment/)