The inner nebula of the much-studied supernova Cassiopeia A is not moving smoothly outward. This has been discovered by astronomers from the University of Amsterdam and Harvard. The astronomers suspect that the remains have ...
Astronomy
Mar 28, 2022
0
867
When two neutron stars spiral into one another and merge to form a black hole—an event recorded in 2017 by gravitational wave detectors and telescopes worldwide—does it immediately become a black hole? Or does it take ...
Astronomy
Mar 5, 2022
6
222
Using ESA's XMM-Newton and NASA's NuSTAR spacecraft, astronomers have observed a galactic source designated IGR J18007–4146. The observational campaign has found that this source is an intermediate polar. The finding is ...
A new astronomical visualization from NASA's Universe of Learning showcases the multiwavelength emissions (from infrared light through X-rays) and three-dimensional structures surrounding Eta Carinae, one of the most massive ...
Astronomy
Jan 26, 2022
1
76
Researchers from the University of Chicago and Fordham University have conducted a long-term monitoring of three ultraluminous X-ray sources (ULXs) in the spiral galaxy NGC 891. Results of the research, presented in a paper ...
The 2020 Decadal Survey for Astronomy and Astrophysics has recommended a new series of three Great Observatories—or space-based telescopes—as a top national priority for the future of space astrophysics.
Astronomy
Nov 5, 2021
0
20
This image features a spectacular set of rings around a black hole, captured using NASA's Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The X-ray images of the giant rings reveal information about dust located ...
Astronomy
Aug 5, 2021
125
2766
A model for supernova explosions first proposed in the 1980s has received strong support from the observation by RIKEN astrophysicists of titanium-rich plumes emanating from a remnant of such an explosion.
Astronomy
Jul 28, 2021
16
97
When the titans of space—galaxy clusters—collide, extraordinary things can happen. A new study using NASA's Chandra X-ray Observatory examines the repercussions after two galaxy clusters clashed.
Astronomy
Jul 15, 2021
1
456
Supermassive black holes in the universe swallow gas around them. The infalling gas is called black hole accretion flow. In a study published in Nature Astronomy, the group led by Prof. YUAN Feng at Shanghai Astronomical ...
Astronomy
Jul 14, 2021
25
507
