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 ldl2t f.,9df((f t;othsu :ko for Proxima Centauri, which is Earth's neares/g9(okq.+tgqh 2gqek .4 yqyo o9w3pdt star at 4.3 ly?.y ow 3 tkgqdoqqge kgh/o+q.y299p4(

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