| 释义 |
- 伴星：在天文学中，指与另一颗恒星共同存在于一个双星系统中的恒星。
1 ?手册 Companion-Di Johnston, Co... ... companion animal 宠物；同伴动物 companion star 伴星 companionable 好交往的；友善的；适于做朋友的 ...
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The standard theory of planet formation holds that no planet that large could be formed so close to a star, leading to the suggestion that the body is a companion star. 行星形成的标准理论认为，没有一颗如此大的行星能在如此靠近恒星的地方形成，因此才有人推测该天体是一颗伴星。 - 2
An unseen companion star, nicknamed "Nemesis," may be sending comets towards Earth. 一颗看不见的伴星，绰号“复仇者(Nemesis)，可能会导致彗星撞击地球。” - 3
Did the star ignite helium at the core, swallow a planet, or swallow a companion star?
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