Dark matter is likely 'cold,' not 'fuzzy,' scientists report after new simulations
Dark matter is the aptly named unseen material that makes up the bulk of matter in our universe. But what dark matter is made of is a matter of debate.
Dark matter is the aptly named unseen material that makes up the bulk of matter in our universe. But what dark matter is made of is a matter of debate.
Astronomy
Jul 24, 2017
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UCLA astronomers have made the first accurate measurement of the abundance of oxygen in a distant galaxy. Oxygen, the third-most abundant chemical element in the universe, is created inside stars and released into interstellar ...
Astronomy
Aug 3, 2016
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Astronomers at Swinburne University of Technology and their international collaborators have found evidence that galaxies that are located in groups might be running out of gas.
Astronomy
Nov 25, 2013
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(Phys.org) —In its earliest years, the universe was so hot that electrons and protons could not bind together in neutral atoms: all of the gas in the cosmos was ionized. Then, after 380,000 years of expansion, the universe ...
Astronomy
Sep 30, 2013
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Now and then there is a bright radio flash somewhere in the sky. It can last anywhere from a few milliseconds to a few seconds. They appear somewhat at random, and we still aren't sure what they are. We call them fast radio ...
Astronomy
Feb 13, 2024
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For most of the history of astronomy, all we could see were stars. We could see them individually, in clusters, in nebulae, and in fuzzy blobs that we thought were clumps of stars but were actually galaxies. The thing is, ...
Astronomy
Sep 20, 2023
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Newly discovered fast radio burst (FRB) 190520 shows unique behavior compared to other FRBs discovered so far. This deviant cosmic burst was observed by an international team, co-led by researchers at West Virginia University and ...
Astronomy
Jun 10, 2022
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