But in this case no ... compared M31-2014-DS1's death with the only other strong candidate for a failed supernova, N6946-BH1, found 22 million light-years away in the galaxy NGC 6946, or the ...
In this case, the MW and M31 continue to evolve in isolation ... is not an expected outcome when talking about the fate of our galaxy. But it turns out that the surprising nature of this paper ...