(PhysOrg.com) -- 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 on the planet and may even have given it a boost, says ...
Earth Sciences
May 20, 2009
2
1
(PhysOrg.com) -- A team of researchers from the NASA Lunar Science Institute (NLSI) at NASA Ames Research Center, Moffett Field, Calif., have discovered that debris that caused a "lunar cataclysm" on the moon 4 billion years ...
Space Exploration
Feb 28, 2012
3
0
This 8-minute film gives an overview of the past, present, and future of Moon Exploration, from the Lunar cataclysm to ESA's vision of what Lunar exploration could be.
Space Exploration
Jan 20, 2015
0
37
