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
If two pieces of metal touch in space, they become permanently stuck together.
808
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
A comet's tail always points away from the sun.
2
NASA invented baby food as we know it today.
7
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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