One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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It 'snows' metal on Venus.
13
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18