The center of our galaxy is a frenzy of activity. A behemoth black hole — 4 million times as massive as the Sun — blasts out energy as it chows down on interstellar detritus while neighboring stars burst to life and subsequently explode.
The center of our galaxy is a frenzy of activity. A behemoth black hole — 4 million times as massive as the Sun — blasts out energy as it chows down on interstellar detritus while neighboring stars burst to life and subsequently explode.