Physics Unit33: Astrophysics and Cosmology (id: b687b757b)

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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]
What is the parallax angle for Proxil1h gaxhg9 oi;.9p;4ffv pm-uxcyz9 /d7kjqiss9*i+a5) p h ama Centauri, which is Earth's nearest star a/ x5 i+j*yq ska)7ipdsz9ahc9 t 4.3 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