background galaxy

基本解释

The background galaxy is about the size of the Milky Way Galaxy and is about 10 times larger than the foreground galaxy .
背景星系大约与我们银河系相当，并大约10倍于前景星系。
As the brightness of the background galaxy nucleus fluctuates, physicists can measure the ebb and flow of light from the four distinct paths.
背景星系核心的亮度发生波动时，物理学家可以测量来自四个路径的光的衰减和波动。
Visible light data from the Wide Field Imager on the Max-Planck/ESO 2.2 m telescope, also located in Chile, shows the dust lane in the galaxy and background stars.
可见光数据来自欧南台的2.2米马普望远镜（也在智利）的大视场成像仪，显示了星系的尘带和背景恒星。