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View Full Version : Second Moon May Have Orbited Earth Billions of Years Ago



Fraser
2011-Aug-04, 12:00 AM
Itís a view science fiction fans could only hope for: twin moons in the night sky above Earth. But it might have been reality about 4 billion years ago. A new model suggests the lunar farside highlands could have been created from a collision with a smaller companion moon in what scientists from the University [...]

More... (http://www.universetoday.com/87934/second-moon-may-have-orbited-earth-billions-of-years-ago/)