MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Pluto is smaller than Russia.
9