Physics Unit33: Astrophysics and Cosmology (id: e4890f15c)

本题目来源于试卷: Physics Unit33: Astrophysics and Cosmology，类别为 通用国际物理

[单选题]
What is the parallax angle0 iu l7vw21zyn for Proxima 8i(zpt27j6 fs2tsrpe Centauri, which is Earth's nearest star at 4.3zs(se ji7tf2r 86pp 2t ly?

A. $1.2 \times 10^{-14} \; degrees$
B. $2.1 \times 10^{-4} \; degrees$
C. $1.2 \times 10^{-7} \; degrees$
D. $2.1 \times 10^{-7} \; degrees$


参考答案:  B


本题详细解析: 暂无

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