background star meaning in English

背景星

The white dot in the photos is a background star
相中的白点是一颗背景星。
The two discovery images of s / 2002 j1 showing the motion of the satellite relative to background stars and galaxies
两张s / 2002j1的图片，显示出该卫星相对于恒星和星系背景在移动。
Since the earth keeps on orbiting around the sun , a not - very - distant star will seem to move with respect to the very far away background stars . this phenomenon is called
地球围绕太阳公转，一些离我们较近的恒星，会由于我们观看位置的改变，相对于遥远恒星所构成的背景星空来说，会出现视位置的改变，这种现象称为
It is similar to saturn and jupiter in many respects , like the atmosphere composition , the internal heating mechanism , the presence of magnetic field , existence of many satellites and a ring system , etc . the streaks in the following photo are background stars not related to the ring
它和土星木星在很多方面十分相似，例如大气成分内部热力转化机制行星磁场及拥有光环和大量卫星等等。下图中白色的光迹是背景星和天王星的环无关。