Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are two golf balls sitting on the moon.
721
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The light hitting the earth right now is 30 thousand years old.
163
The earth is .02 degrees hotter during a full moon.
157
41% of the moon is not visible from earth at any time.
103
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178