Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
If two pieces of metal touch in space, they become permanently stuck together.
808
Venus is the only planet that rotates clockwise.
310
Only 55% of Americans know that the sun is a star.
986
Buzz Aldrin’s mother’s maiden name was Moon.
9