Using the unprecedented capabilities of the NASA/ESA/CSA James Webb Space Telescope, an international team of scientists has obtained the first spectroscopic observations of the faintest galaxies during the first billion ...
Astronomy
Feb 28, 2024
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150
A common belief among astronomers is that galaxy groups and clusters differ mainly in the number of galaxies they contain—there are fewer galaxies in groups and more in clusters. Led by Maret Einasto, astronomers at Tartu ...
Astronomy
Feb 27, 2024
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53
Analyzing images from the James Webb Space Telescope (JWST), a group of astronomers led by Dr. Lukas Furtak and Prof. Adi Zitrin from Ben-Gurion University of the Negev has detected an extremely red, gravitationally lensed ...
Astronomy
Feb 26, 2024
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This NASA/ESA Hubble Space Telescope image features IC 3476, a dwarf galaxy that lies about 54 million light-years from Earth in the constellation Coma Berenices. While this image does not look very dramatic—we might say ...
Astronomy
Feb 26, 2024
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10
With unique capabilities to track microwave energy fluctuations, a small observatory in the Andes mountains of northern Chile produced maps of 75% of the sky as part of an effort to measure the universe's origin and evolution ...
Astronomy
Feb 26, 2024
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32
We could be closer to understanding the mystery behind what dark matter is, following new research from physicists at King's College London.
Astronomy
Feb 26, 2024
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59
We now have a standard model of cosmology, the current version of the Big Bang theory. Although it has proved very successful, its consequences are staggering. We know only 5% of the content of the universe, which is normal ...
Astronomy
Feb 22, 2024
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48
Dark matter comprises around 85% of all the matter in the universe. Although ordinary matter absorbs, reflects and emits light, dark matter cannot be seen directly, which makes its detection difficult. Its existence is inferred ...
Astronomy
Feb 22, 2024
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Astronomers have discovered one of the most powerful eruptions from a black hole ever recorded. This mega-explosion billions of years ago may help explain the formation of a striking pattern of star clusters around two massive ...
Astronomy
Feb 21, 2024
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91
A few years ago, astronomers uncovered one of the Milky Way's greatest secrets: An enormous, wave-shaped chain of gaseous clouds in our sun's backyard, giving birth to clusters of stars along the spiral arm of the galaxy ...
Astronomy
Feb 20, 2024
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150
