Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Sound doesn't travel in space.
255
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Venus is the only planet that rotates clockwise.
310
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
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
The sun puts out more power in 1 second than mankind has ever used within human existence.
14