Sentences with phrase «whether galaxy mergers»
We however do not yet know whether galaxy mergers are also responsible for these, or whether they are formed by cold gas gradually falling into the galaxy.
https://www.sciencedaily.com/ Not exact matches
That's because no one knows whether such supergiants grow from scratch within star - forming regions, or whether, like supermassive black holes and galaxies, they reach their enormous mass through mergers.