153 reputation
3
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location Switzerland
age
visits member for 4 months
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1d
awarded  Supporter
1d
awarded  Scholar
1d
accepted What is the ratio of “real” stars in the sky?
1d
asked What is the ratio of “real” stars in the sky?
Jun
8
awarded  Student
Jun
8
asked How can the 13.8 billion years old universe have a radius of 46 billion light years?