Astrophysicists at the Institute for Advanced Study, the Flatiron Institute and their colleagues have leveraged artificial intelligence to uncover a better way to estimate the mass of colossal clusters of galaxies. The AI ...
Astronomy
Mar 23, 2023
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289
Using data from NASA's Kepler spacecraft, astronomers from the Pedagogical University of Cracow, Poland, and elsewhere have detected 278 variable stars in the open cluster NGC 6791 and its surroundings. The finding was reported ...
The Milky Way increases its mass by merging with low-mass dwarf galaxies. Some of these dwarf galaxies will experience tidal forces during orbiting around the Milky Way, and their member stars will be lost.
Astronomy
Mar 21, 2023
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27
By adapting technology used for gamma-ray astronomy, a group of experimental researchers has found that X-ray transitions previously thought to have been unpolarized according to atomic physics, are in fact highly polarized, ...
Quantum Physics
Mar 20, 2023
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117
European astronomers have observed a galaxy cluster known as Abell 1213 using various spacecraft and ground-based facilities. The observations unveiled essential information about the diffuse radio emission from this source. ...
Over 13 billion years ago, the first galaxies in the universe formed. They were elliptical, with intermediate black holes (IMBHs) at their centers surrounded by a halo of stars, gas, and dust. Over time, these galaxies evolved ...
Astronomy
Mar 14, 2023
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55
Looking at the night sky with the naked eye, we can only see an infinitesimal part of what the Universe contains, and the largest part cannot even be "seen". Radio wavelengths have gifted us some of the most fascinating astronomical ...
Astronomy
Mar 8, 2023
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48
A new simulation shows how NASA's Nancy Grace Roman Space Telescope will turn back the cosmic clock, unveiling the evolving universe in ways that have never been possible before when it launches by May 2027. With its ability ...
Astronomy
Mar 2, 2023
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152
A massive galaxy cluster in the constellation Cetus dominates the center of this image from the NASA/ESA Hubble Space Telescope. This image is populated with a serene collection of elliptical and spiral galaxies, but galaxies ...
Astronomy
Feb 24, 2023
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35
Astronomers have discovered the first evidence for giant black holes in dwarf galaxies on a collision course. This result from NASA's Chandra X-ray Observatory has important ramifications for understanding how the first wave ...
Astronomy
Feb 22, 2023
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