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
Astronauts get taller when they are in space.
224
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The sun is 330,330 times larger than the earth!
190
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131