Tag Archives: UltraMassive

Put them together and you get a remarkable puzzle. Black holes devour stars and interstellar gas. This causes them to grow. But they also turn into quasars, excreting blasts of raw energy back out into space, sparking another cycle of star formation. So which came first? Is a black hole a chicken? Or an egg? “With this latest find, we …

White dwarfs are remnants of main sequence stars like our Sun that have depleted their hydrogen. Their lives of fusion have come to an end, and they’ll simmer with residual heat for trillions of years. Their lifespans are longer than the current age of the Universe. White dwarfs are fascinating objects for several reasons. About 97% of stars will become …