Watching X-rays flung out into the universe by the supermassive black hole at the center of a galaxy 800 million light-years away, Stanford University astrophysicist Dan Wilkins noticed an intriguing pattern. He observed ...
Astronomy
Jul 28, 2021
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5028
Black holes aren't what they eat. Einstein's general relativity predicts that no matter what a black hole consumes, its external properties depend only on its mass, rotation and electric charge. All other details about its ...
Astronomy
Jul 28, 2021
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508
Black holes with masses equivalent to millions of suns do put a brake on the birth of new stars, say astronomers. Using machine learning and three state of the art simulations to back up results from a large sky survey, the ...
Astronomy
Jul 20, 2021
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439
An international team anchored by the Event Horizon Telescope (EHT) Collaboration, which is known for capturing the first image of a black hole in the galaxy Messier 87, has now imaged the heart of the nearest radio galaxy ...
Astronomy
Jul 19, 2021
5
966
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
The supermassive black hole at the center of our Milky Way galaxy, Sagittarius A*, is by far the closest such object to us, about 27,000 light-years away. Although it is not nearly so active or luminous as other galactic ...
Astronomy
Jul 12, 2021
100
725
Researchers from St. Petersburg University have analyzed data from optical telescopes covering more than eight years and managed to explain the mechanism of polarization plane rotations in blazars.
Astronomy
Jun 24, 2021
0
5
The triggering of star formation, and also its quenching, is regulated by young massive stars in galaxies which inject energy and momentum into the interstellar medium. Feedback from the supermassive black holes at galaxies' ...
Astronomy
Jun 18, 2021
1
362
Supermassive black holes, or SMBHs, are black holes with masses that are several million to billion times the mass of our sun. The Milky Way hosts an SMBH with mass a few million times the solar mass. Surprisingly, astrophysical ...
Astronomy
Jun 16, 2021
16
5145
One of the best things about that universe is that there is so much to it. If you look hard enough, you can most likely find any combination of astronomical events happening. Not long ago, we reported on research that found ...
Astronomy
Jun 16, 2021
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