... 星系动力学 galactic dynamics; 星系对 pair of galaxies; 星系分类法 classification of galaxies; ...
双语例句
1
Caption: a merging pairofgalaxies called the Antennae.
描述：正在合并的一对天线星系。
2
For the galaxy and the andromeda nubula, they do not form a pairofgalaxies completely isolated from all others.
对银河系和仙女座星云来说，它们并不构成与所有其他星系完全孤立的一对星系。
3
Hubble Space Telescope astronomers recently focused the instrument's powerful eye on a pairofgalaxies known as Arp 273, which had spun themselves into something surreally terrestrial: a rose.