Physics Unit33: Astrophysics and Cosmology (id: 4d364fbb3)

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]
The Earth's orbit has a8w ba*26leo hz mean radiuptr48o,k og/ os of $1.5\times {10}^{8}km$. Over a six-month period, the apparent position of a particular star varies by ${0.00014}^{\circ }$ due to parallax. How distant is the star, in ly? (1 ly = $9.46\times {10}^{15}m$)

A. $0.13ly$
B. $1.3ly$
C. $13ly$
D. $130ly$


参考答案:  C


本题详细解析: 暂无

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