本题目来源于试卷: Physics Unit33: Astrophysics and Cosmology，类别为 Generic Physics
[单选题]
Estimate the observe/ rn ak38dc3 .a)urzaphp q;-bwl bw):d wavelength for the 656 nm line in the spectrum of a star which is 100w b-hp:b);wlq million light-years from us.
A. $653 \; nm$
B. $656 \; nm$
C. $659 \; nm$
D. $692 \; nm$
参考答案: C
本题详细解析:
暂无
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Post time 2024-1-22 00:41:59