Another member of the new "Cow" class of supernova explosions has been discovered—the brightest one seen in X-rays to date. The new event, dubbed AT2020mrf, is only the fifth found so far belonging to the Cow class of supernovae. ...
Astronomy
Jan 11, 2022
2
588
"I see thy glory like a shooting star."
Astronomy
Jan 7, 2022
1
238
How did supermassive black holes form? What is dark matter? In an alternative model for how the universe came to be, as compared to the 'textbook' history of the universe, a team of astronomers propose that both of these ...
Astronomy
Dec 17, 2021
16
1552
Astronomers at The University of Texas at Austin's McDonald Observatory have discovered an unusually massive black hole at the heart of one of the Milky Way's dwarf satellite galaxies, called Leo I. Almost as massive as the ...
Astronomy
Dec 1, 2021
3
671
Using the European Southern Observatory's Very Large Telescope (ESO's VLT), astronomers have revealed the closest pair of supermassive black holes to Earth ever observed. The two objects also have a much smaller separation ...
Astronomy
Nov 30, 2021
23
8149
Our telescopes have never detected a black hole more massive than 20 times the mass of the sun. Nevertheless, we now know of their existence as dozens of those black holes have recently been "heard" to merge via gravitational ...
Astronomy
Nov 9, 2021
6
1285
Over the past 6 years, gravitational wave observatories have been detecting black hole mergers, verifying a major prediction of Albert Einstein's theory of gravity. But there is a problem—many of these black holes are unexpectedly ...
Astronomy
Nov 3, 2021
241
9207
A theorist in astrophysics at The University of Texas at Arlington is leading a project to study the explosive phenomena of X-ray bursts in order to better understand neutron stars.
Astronomy
Oct 18, 2021
0
8
A new study showing how the explosion of a stripped massive star in a supernova can lead to the formation of a heavy neutron star or a light black hole resolves one of the most challenging puzzles to emerge from the detection ...
Astronomy
Oct 8, 2021
7
651
Astronomers have found dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and caused that companion to explode as a supernova. The astronomers were tipped off by data from ...
Astronomy
Sep 2, 2021
13
2589
