What's cooking?
All of the planets in our Solar System formed from the same material, but each one is very different.
'When a planet gets made there are a standard set of ingredients, but sometimes you get a bit more of one or the other. So when we look at other planets we can see what would have happened if there had been a bit more of air, water, rock, or magnetic field.'
Manuel Grande, Rutherford Appleton Laboratory
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