New research has affirmed the connection between supermassive black holes and galactic death through the cessation of star birth — albeit in an unexpected way.
Scientists have known for some time that there are two main types of galaxies in the universe. There are those with rapidly forming stars and those that are "quiet"
because they are birthing very few stars. Our own galaxy, the Milky Way, is an example of a quiet galaxy — yet, there is a bit of a conundrum. Scientists haven't quite been sure how a galaxy goes from star-birthing to quiescence. Until now, that is.
