Astronomers have discovered a black hole unlike any other. At one hundred thousand solar masses, it is smaller than the black holes we have found at the centers of galaxies, but bigger than the black holes that are born when ...
Astronomy
Jan 24, 2022
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847
Globular clusters are extremely dense stellar systems, in which stars are packed closely together. They are also typically very old—the globular cluster that is the focus of this study, NGC 6397, is almost as old as the ...
Astronomy
Feb 11, 2021
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775
Black holes in the early universe pose a bit of a problem. Based on observations from telescopes on Earth and in space, we know that some black holes grew to be a billion times the mass of the sun just one billion years after ...
Astronomy
Dec 9, 2019
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192
A new class of black hole, more than 500 times the mass of the Sun, has been discovered by an international team of astronomers.
Astronomy
Jul 1, 2009
15
0
(Phys.org)—NASA's Chandra X-ray Observatory has helped astronomers to uncover a previously unidentified X-ray point source at the massive black hole in the center of a distant compact starburst galaxy known as Henize 2-10. ...
The magnificent central bar of NGC 2217 (also known as AM 0619-271) shines bright in the constellation of Canis Major (The Greater Dog), in this image taken by the NASA/ESA Hubble Space Telescope. Roughly 65 million light-years ...
Astronomy
Apr 29, 2024
0
24
Scientists from MIPT, the University of Oxford, and the Russian Academy of Sciences have estimated the number of stars disrupted by solitary supermassive black holes in galactic centers that formed via mergers of galaxies ...
Astronomy
Feb 16, 2017
3
12
Two teams of astronomers led by researchers at the University of Cambridge have looked back nearly 13 billion years, when the Universe was less than 10 percent its present age, to determine how quasars - extremely luminous ...
Astronomy
Jan 16, 2015
15
916
The intermittent light emitted by pulsars, the most precise timekeepers in the universe, allows scientists to verify Einstein's theory of relativity, especially when these objects are paired up with another neutron star or ...
Astronomy
Dec 4, 2014
59
1
A team of physicists has developed a method to detect gravity waves with such low frequencies that they could unlock the secrets behind the early phases of mergers between supermassive black holes, the heaviest objects in ...
General Physics
Mar 8, 2024
1
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