Wednesday: August 3, 2011
- New study suggests that Earth may have originally had two moons.
A tiny second moon may once have orbited Earth before catastrophically slamming into the other one, a titanic clash that could explain why the two sides of the surviving lunar satellite are so different from each other, a new study suggests. The second moon around Earth would have been about 750 miles (1,200 kilometers) wide and could have formed from the same collision between the planet and a Mars-sized object that scientists suspect helped create the moon we see in the sky today, astronomers said.
Tuesday: October 27, 2009
- Newly discovered lava-tube on the moon might make for one cozy lunar base.
If the idea of underground shelter gains traction, lava-tube locations could join potential water sources and other factors in the debate over just where people should put down roots on the moon.
Wednesday: July 22, 2009
- Top ten surprises on the NASA moon landing tapes.
9) Buzz Aldrin won $20 bet by eating a pound of moon dust.