NASA makes it clear: the “monster” in the center of the Milky Way (4 million days) has a set date for its “awakening”.
From here on Earth, the Milky Way looks quiet. Yet at its center is Sagittarius A*, a black hole millions of times more massive than the Sun. It’s been quiet for a long time, but astronomers think the silence won’t last forever. New research suggests that this sleeping giant will reawaken when our galaxy collides … Read more
