原文
.docauthor {Jennifer Chu}
.pagemargin {topright}
.docauthor | MIT News
# X-ray flashes from a supermassive black hole
!(70%)[Black hole](img/blackhole.jpg)
.abstract
One supermassive black hole has kept astronomers glued to their scopes
for the last several years.
The black hole in question is `1ES 1927+654`, which is about as
massive as a million suns and sits in a galaxy that is 270 million
light-years away.
In 2018, astronomers at MIT and elsewhere observed that the black
hole’s corona — a cloud of whirling, white-hot plasma — suddenly
**disappeared**, before reassembling months later.
The brief though dramatic shut-off was a first in black hole astronomy.
> This would be the closest thing we know of around any black hole.
> - Megan Masterson, a graduate student in physics at MIT