Physics Unit33: Astrophysics and Cosmology (id: b83d4086d)

本题目来源于试卷: Physics Unit33: Astrophysics and Cosmology，类别为 国际高中通用物理

[单选题]
The apparent brightnessr0tq 6vb t-q.b of a stg-5w z1)bnvh sb cv,l;ar is $1.0 \times 10^{-12} \; W/m^{2}$ and the peak wavelength is 600 nm. Estimate its distance from us.

A. $0.90 \; pc$
B. $9.0 \; pc$
C. $90 \; pc$
D. $900 \; pc$


参考答案:  C


本题详细解析: 暂无

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