Astrophysics and Cosmology (id: 2ed8e705d)

本题目来源于试卷: Astrophysics and Cosmology，类别为 IB物理学

[填空题]
Estimate the speed of a galaxy (relative to/ uasoge3 ;vs ot,n3s,xwl3n+ us) that is nk0fea,1 n pe3cear the observable "edge" of the universe, say 10e3,faknc e1p 2 billion light-years away. v =    c

参考答案: 0.88±2%


本题详细解析:

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