A comet's tail always points away from the sun.
2
NASA invented baby food as we know it today.
7
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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