伴星 meaning in English
[天文学] comes; companion; companion star; secondary (双星中光度较暗, 质量较小的恒星)
◇伴星起源说 hetegony; 伴星系 companion galaxy
Examples
- If a star has a companion, it will seem to wobble as it moves across the sky .
如果一颗恒星有一颗伴星，那么当它横越天空运动时，它似乎是摇来摆去。 - As a companion star orbits its primary, it alternately approaches and recedes from the earth .
当伴星围绕着主星运转时，它交替地朝着地球或背离地球运转。 - The model comprising accretion onto a neutron star or black hole companion must still be considered a favored hypothesis .
在中子星或黑洞伴星上发生吸积的模型，仍应看成是一个有价值的假说。 - Most einstein rings are too small to be seen directly
最普遍的原因是它有一颗伴星。 - This was how we discovered the companion of sirius
天狼星的伴星就是用这个方法发现的。