Primordial black holes are hypothetical objects formed during the earliest moments of the universe. According to the models, they formed from micro-fluctuations in matter density and spacetime to become sand grain-sized mountain-massed ...
Astronomy
May 6, 2024
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Astronomers have found a striking link between the amount of dust surrounding a supermassive black hole and the strength of the radio emission produced in extremely bright galaxies.
Astronomy
Sep 25, 2023
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119
One of the most interesting and important questions in cosmology is, "How much matter exists in the universe?" An international team, including scientists at Chiba University, has now succeeded in measuring the total amount ...
Astronomy
Sep 13, 2023
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1978
Scientists from research institutions including Kyoto University have confirmed that the intrinsic alignments of galaxies have characteristics that allow it to be a powerful probe of dark matter and dark energy on a cosmological ...
Astronomy
Apr 19, 2023
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282
Astronomers have released a gargantuan survey of the galactic plane of the Milky Way. The new dataset contains a staggering 3.32 billion celestial objects—arguably the largest such catalog so far. The data for this unprecedented ...
Astronomy
Jan 18, 2023
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Classifying celestial objects is a long-standing problem. With sources at near unimaginable distances, sometimes it's difficult for researchers to distinguish between objects such as stars, galaxies, quasars or supernovae.
Astronomy
May 27, 2022
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133
The world's largest International Dark Sky Reserve is coming to Texas and Mexico, thanks to a partnership between The University of Texas at Austin's McDonald Observatory, The Nature Conservancy, the International Dark-Sky ...
Astronomy
Apr 7, 2022
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203
An international team of astronomers reports the discovery of a new ultra-faint dwarf galaxy as part of the DECam Local Volume Exploration (DELVE) survey. The newly found galaxy, designated Pegasus IV, has an absolute magnitude ...
Astrophysicists for the first time have calculated the original mass and size of a dwarf galaxy that was shredded in a collision with the Milky Way billions of years ago. Reconstructing the original dwarf galaxy, whose stars ...
Astronomy
Feb 17, 2022
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240
For decades, the stars in our night sky have been blotted out by artificial light—from streetlamps, residential houses, businesses, construction sites, vehicles, billboards and so on. The glow they emit misdirects light ...
Astronomy
Sep 28, 2021
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