At cosmic noon, puffy galaxies make stars for longer
Massive galaxies with extra-large extended "puffy" disks produced stars for longer than their more compact cousins, new modeling reveals.
Massive galaxies with extra-large extended "puffy" disks produced stars for longer than their more compact cousins, new modeling reveals.
Astronomy
Feb 3, 2021
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Nearly every galaxy hosts a monster at its center—a supermassive black hole millions to billions times the size of the Sun. While there's still much to learn about these objects, many scientists believe they are crucial ...
Astronomy
Jan 19, 2021
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A team of astronomers led by the University of Arizona has observed a luminous quasar 13.03 billion light-years from Earth—the most distant quasar discovered to date. Dating back to 670 million years after the Big Bang, ...
Astronomy
Jan 12, 2021
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Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole.
Astronomy
Oct 30, 2020
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For all its vast emptiness, the universe is humming with activity in the form of gravitational waves. Produced by extreme astrophysical phenomena, these reverberations ripple forth and shake the fabric of space-time, like ...
Astronomy
Sep 2, 2020
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Black holes are at the center of almost all galaxies that have been studied so far. They have an unimaginably large mass and therefore attract matter, gas and even light. But they can also emit matter in the form of plasma ...
Astronomy
Aug 21, 2020
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An international team of researchers have discovered a dense, cold gas that's been shot out from the center of the Milky Way "like bullets".
Astronomy
Aug 19, 2020
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The direct detection of gravitational waves from at least eleven sources during the past five years has offered spectacular confirmation of Einstein's model of gravity and space-time, while the modeling of these events has ...
Astronomy
Aug 3, 2020
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Astronomers studying galaxy evolution have long struggled to understand what causes star formation to shut down in massive galaxies. Although many theories have been proposed to explain this process, known as "quenching," ...
Astronomy
Jul 16, 2020
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328
The massive star that exploded to form the supernova known as Cassiopeia A most likely had a companion star that has yet to be spotted, a spectroscopic analysis by RIKEN astrophysicists suggests. This will provide fresh impetus ...
Astronomy
Jul 3, 2020
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