The universe is humming with gravitational radiation—a very low-frequency rumble that rhythmically stretches and compresses spacetime and the matter embedded in it.
Astronomy
Aug 9, 2023
0
904
At the heart of our galaxy, there is a monster black hole. Known as Sagittarius A*, it has a mass of 4.2 million suns, and it's only about 27,000 light-years from Earth. Sag A* is the closest supermassive black hole, and ...
Astronomy
Aug 3, 2023
0
150
An international team of astronomers has performed high-cadence optical monitoring of an active galaxy known as Markarian 1018. Results of the observational campaign, published July 26 on the pre-print server arXiv, shed ...
Astronomers from Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences and their collaborators have found five Green Pea (GP) galaxies with double-peaked narrow lines among nearly 1,550 GP galaxies. ...
Astronomy
Jul 31, 2023
0
70
Black holes are the most mysterious objects in the universe, with features that sound like they come straight from a sci-fi movie.
Astronomy
Jul 26, 2023
3
3961
An international team of astronomers used the state-of-the-art capability of VERA, a Japanese network of radio telescopes operated by NAOJ, to uncover valuable clues about how rapidly growing "young" supermassive black holes ...
Astronomy
Jul 19, 2023
0
71
Astronomers from the University of Science and Technology of China in Hefei report the discovery of a new faint tidal disruption event (TDE). The newfound TDE, designated AT 2023clx is the faintest and closest optical TDE ...
A team of astrophysicists with members from China, the U.S. and Germany has discovered ionized gas nebulae surrounding three luminous red quasars featuring pairs of "superbubbles." In their study, reported in the journal ...
A trio of astrophysicists, two from Colgate University and the third from the University of Texas, has found evidence of dark stars courtesy of data from the James Webb Space Telescope. In their study, reported in Proceedings ...
New research, in the wake of the gravitational wave discoveries, sheds light on the environments that could lead to black hole merger events. The work is presented this week at the 2023 National Astronomy Meeting by Ph.D. ...
Astronomy
Jul 6, 2023
0
158
