Scientists use 196 lasers to recreate the conditions inside gigantic galaxy clusters
Galaxies rarely live alone. Instead, dozens to thousands are drawn together by gravity, forming vast clusters that are the largest objects in the universe.
Galaxies rarely live alone. Instead, dozens to thousands are drawn together by gravity, forming vast clusters that are the largest objects in the universe.
General Physics
Mar 9, 2022
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70
The inner workings of heat conduction in galaxy clusters have been unraveled by a collaboration of international researchers led by the University of Oxford, University of Rochester and the University of Chicago.
Astronomy
Mar 9, 2022
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Today marks the 20th anniversary of the Advanced Camera for Surveys (ACS) aboard the NASA/ESA Hubble Space Telescope. On 7 March 2002 astronauts installed the ACS during Hubble Servicing Mission 3B, also known as STS-109. ...
Astronomy
Mar 7, 2022
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126
The shape of galaxies and how they evolve depend on a web of cosmological filaments that run across the universe. According to a recent study headed by EPFL's Laboratory of Astrophysics, this cosmic web plays a much bigger ...
Astronomy
Feb 25, 2022
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172
An international team of astronomers led by the Hamburg Observatory made the most detailed images of the largest cosmic shock waves ever observed. The observations are based on data from the MeerKAT radio telescope in South ...
Astronomy
Feb 23, 2022
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105
University of Notre Dame researchers, along with collaborators in China and Australia, published a new sample catalog of more than 24 million stars that can be used to decipher the chemical history of elements in the Milky ...
Astronomy
Feb 11, 2022
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144
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
A survey completed using a combination of ground and space-based telescopes yielded a treasure trove of previously unknown globular clusters—old, dense groups of thousands of stars that all formed at the same time—in ...
Astronomy
Jan 11, 2022
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1284
The forthcoming launch of the James Webb Space Telescope offers unprecedented new opportunities for astronomers. It's also a timely opportunity to reflect on what previous generations of telescopes have shown us.
Astronomy
Dec 23, 2021
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519
Scientists have found four enormous cavities, or bubbles, at the center of a galaxy cluster using NASA's Chandra X-ray Observatory. This unusual set of features may have been caused by eruptions from two supermassive black ...
Astronomy
Dec 16, 2021
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