The earliest galaxies were cosmic fireballs converting gas into stars at breathtaking speeds across their full extent, reports a UCLA-led study to be published in a special issue of The Astrophysical Journal.
Astronomy
Nov 18, 2022
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526
The discovery of a so-called monster black hole that has about 12 times the mass of the sun is detailed in a new Astrophysical Journalresearch submission, whose lead author is Dr. Sukanya Chakrabarti, a physics professor ...
Astronomy
Oct 19, 2022
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1543
All through history, humans have created and shared stories that ponder the creation of stars—what they are and how the first stars came to be. Now, with new results from the Hydrogen Epoch of Reionization Array (HERA), ...
Astronomy
Feb 11, 2022
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376
By taking advantage of a natural lens in space, astronomers have captured an unprecedented look at X-rays from a black hole system in the early universe.
Astronomy
Aug 31, 2021
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337
The cosmic optical background (COB) is the visible light emitted by all sources outside of the Milky Way. This faint glow of light, which can only be observed using very precise and sophisticated telescopes, could help astrophysics ...
An international team of astronomers led by Pierluigi Rinaldi of the University of Groningen has detected for the first time H-alpha emission in individual galaxies during the so-called Epoch of Reionization, or cosmic dawn. ...
Astronomy
Jun 13, 2023
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510
Columbia researchers analyzing images from NASA's James Webb Space Telescope have found that galaxies in the early universe are often flat and elongated, like breadsticks—and are rarely round, like balls of pizza dough.
Astronomy
Jan 17, 2024
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125
Astronomers refer to all the elements heavier than helium as "metals," even elements that are typically found in gaseous form. In the big bang only hydrogen and helium (and a trace of lithium) were created while the "metals" ...
Astronomy
Aug 2, 2021
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666
The Dragonfly telescope is undergoing a metamorphosis.
Astronomy
Mar 10, 2022
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360
NASA's Nancy Grace Roman Space Telescope, now under construction, will test new technologies for space-based planet hunting. The mission aims to photograph worlds and dusty disks around nearby stars with detail up to a thousand ...
Astronomy
Feb 24, 2022
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