nustar, Tag

Astronomers are using these observations to learn more about how the black hole in the center of the Milky Way galaxy — known as Sagittarius A * (Sgr A* for short) — interacts with, and feeds off, its environment some...

The heat from this cataclysmic event produces a shock wave – similar to a sonic boom from a supersonic jet – that races outwards through the rest of the doomed star, producing new elements by nuclear reactions as it goes...

“We knew that the first direct image of a black hole would be groundbreaking,” said Kazuhiro Hada of the National Astronomical Observatory of Japan, a co-author of a new study being published in The Astrophysical Journal...