There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Pluto is smaller than Russia.
9
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6