In a first, astronomers watch a black hole’s corona disappear, then reappear
Thursday, July 16, 2020 - 09:50
in Astronomy & Space
A colliding star may have triggered the drastic transformation. It seems the universe has an odd sense of humor. While a crown-encrusted virus has run roughshod over the world, another entirely different corona about 100 million light years from Earth has mysteriously disappeared. For the first time, astronomers at MIT and elsewhere have watched as […]