专业释义英英释义
binary star
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n.
a system of two stars that revolve around each other under their mutual gravitation
同义词： binary double star
以上来源于: WordNet
柯林斯英汉双解大词典
binary star
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1.
N a double star system comprising two stars orbiting around their common centre of mass. A visual binary can be seen through a telescope. A spectroscopic binary can only be observed by the spectroscopic Doppler shift as each star moves towards or away from the earth 双子星 (Sometimes shortened to binary) → see also optical double star, eclipsing binary
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