Physics Unit33: Astrophysics and Cosmology (id: 472c3c13b)

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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]
Estimate the observed wavelength for the 656 nm line in thebf/j2hdn ;-3dwc r+ ds s,wbw/ s.;ufv(gkk nw0;nf:x s y+w2aspectrum of a star which is 100 million light-yewuyvk+f;2 .s snkx(w ;fa:n0gars 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