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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
If NASA sent birds into space they would soon die; they need gravity to swallow.
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