binary galaxy

例句：

1. 1. The binary galaxies in the center of our Milky Way are thought to be the birthplace of the universe.
   我们银河系的中心有双星系统，人们认为它们是宇宙的起源。
2. 2.Scientists have been studying binary galaxies for decades, trying to understand how they form and evolve.
   科学家已经研究双星系统几十年了，试图理解它们是如何形成的以及如何演变的。
3. 3. In recent years, new discoveries about binary galaxies have led to exciting new theories about the origins of the universe.
   近年来，关于双星系统的新发现引发了关于宇宙起源的激动人心的新理论。