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QUIZ
Test your abilities as an observer: below there are four figures, each representing a 1 x 1 degree area of the sky; dots correspond to a galaxies. Three of the figures were made with a super-fast simulation, which is able to create 100 square degrees of data in less then a second. One of the figures is cut out from the Edinburgh Durham Southern Galaxy Survey (EDSGC). Can you guess which one?
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