Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The light hitting the earth right now is 30 thousand years old.
163
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14