Astronomers used the XRISM mission to separate signals and analyze the extreme gravitational forces at work in active ...
The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...
Astronomers spotted a rare event in NGC 3783 where a supermassive black hole fired an X-ray flare, then launched ultra-fast ...
Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise ...
Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the Milky Way galaxy, such as its gravitational potential and the distribution of ...