Physics Unit33: Astrophysics and Cosmology (id: ecd8409a7)

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本题目来源于试卷: Physics Unit33: Astrophysics and Cosmology，类别为 Generic Physics

[单选题]
The cosmic background radiation corresponds to a temperfy g chqq13*p scra*-pw3h*bi)7px m0 at;7 )utbav3t ,gvdnbi; ure of about

A. 1.4 K.
B. 2.7 K.
C. 3.0 K.
D. 3.3 K.


参考答案:  B


本题详细解析: 暂无