Earth mass
名词 n.
英文释义
名词 n.
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A unit of mass equal to that of the Earth, used to express the mass of planets and similar astronomical bodies. 1 M_🜨 = 6 × 10²⁴ kg.
— The mass of Jupiter is 318 M_🜨; its radius is 11 R_🜨.
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数据来源: Wiktionary