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 Proxima Centauri, which pk . x 3zs*qa a-oqy;b7cqwn3a-q5x*ois Earth's nearest star:w.), j okz:u rq:hvgz at 4.3:q zjgur)hw z:kov .,: 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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Post time 2024-1-22 00:41:59