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's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
If two pieces of metal touch in space, they become permanently stuck together.
808
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
The light hitting the earth right now is 30 thousand years old.
163