When the Gaia space scope launch next hebdomad , it ’s going to attempt the biggest uranology task of all clip : it will try and read the entire sky , capturing mental image of at least a billion star in our galaxy .
Plunging 1.5 million km into space , it ’ll do all of that with unprecedented accuracy , almost certainly transmute our sympathy of the cosmos . But how , exactly , will it do it ? This picture by New Scientist gives a great overview of how a single satellite will be able to change the way we recollect about outer space always . The forgetful answer : a whole lot of spinning . [ New Scientist ]
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