And these stars have compressed down to maybe something like 12, 15 miles wide, and they are black holes. And they are gobbling up everything around them, including light, which is why we can't see them.
Эти звезды, сжатые до 19-24 км в ширину, на самом деле — черные дыры. Они пожирают всё на своём пути, включая свет, именно поэтому мы их не видим.