Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Earth is the only planet in our solar system that's not named after a god or goddess.
17
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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