Scattered across our Milky Way galaxy are tens of millions of black holes—immensely strong gravitational wells of spacetime, from which infalling matter, and even light, can never escape. Black holes are dark by definition, ...
Astronomy
May 2, 2022
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550
Using various space and ground-based observatories, astronomers have inspected flaring activity observed on a blazar known as S5 1803+78. Results of this multi-wavelength study, published April 10 on the arXiv pre-print server, ...
An international team of astronomers, including researchers at the Center for Astrophysics | Harvard & Smithsonian, has spotted the most distant astronomical object ever: a galaxy.
Astronomy
Apr 7, 2022
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1749
Using XMM-Newton and NuSTAR satellites, astronomers have conducted a comprehensive, long-term multiwavelength study of an active galaxy known as RXJ0134.2-4258. Results of the observational campaign, published March 25 on ...
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, researchers ...
Astronomy
Mar 22, 2022
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378
Astronomy's newest mystery objects—odd radio circles, or ORCs—have been pulled into sharp focus by an international team of astronomers using the world's most capable radio telescopes.
Astronomy
Mar 21, 2022
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Researchers have provided the first plausible explanation to why one of the most massive black hole pairs observed to date by gravitational waves also seemed to merge on a non-circular orbit. Their suggested solution, now ...
Astronomy
Mar 9, 2022
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2943
In 2020, the X-ray telescope eRosita took images of two enormous bubbles extending far above and below the center of our galaxy.
Astronomy
Mar 8, 2022
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Locked in an epic cosmic waltz 9 billion light years away, two supermassive black holes appear to be orbiting around each other every two years. The two giant bodies each have masses that are hundreds of millions of times ...
Astronomy
Feb 23, 2022
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12800
European astronomers report the detection of a new giant radio galaxy (GRG) as part of the LOFAR Two-meter Sky Survey (LoTSS). The newly found object, named Alcyoneus, turns out to be the largest GRG known to date. The finding ...
