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Astronomy news
Black holes are spinning faster than expected, researchers find
There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of supermassive black holes reveals that their spin rates reveal something about their formation history.
Astronomy
20 hours ago
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First fast radio burst traced to old, dead, elliptical galaxy
For the first time, astronomers have traced a fast radio burst (FRB) to the outskirts of an ancient, dead, elliptical galaxy—an unprecedented home for a phenomenon previously associated with much younger galaxies.
Astronomy
20 hours ago
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X-ray observations uncover merger process in a nearby low-mass galaxy cluster
Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations of a nearby low-mass galaxy cluster designated PSZ2 G181.06+48.47. The observational campaign, detailed ...
Malargüe—A satellite dish best served cold: Cryogenic upgrade boosts capacity by almost 80%
In late July 2024, the Malargüe deep-space communication station completed an important upgrade of its antenna feed that will allow missions to send much more data back to Earth, a capacity increase of almost 80%.
Astronomy
Jan 20, 2025
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'Troublesome' radio galaxy 32 times the size of Milky Way spotted
Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.
Astronomy
Jan 20, 2025
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Newly discovered group hosts two optically dark star-forming galaxies
An international team of astronomers reports the discovery of a new compact galaxy group using the Atacama Large Millimeter/submillimeter Array (ALMA). The new group, designated CGG-z4, hosts two optically dark star-forming ...
A new industrial megaproject threatens the view of the world's best observatories
Astronomers have been battling threats to their clear skies on all fronts lately. One of the most notable battles, which we have reported on repeatedly, is the one against Starlink and other mega-constellations of satellites, ...
Astronomy
Jan 18, 2025
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Space itself may have created galaxies
According to new research, the earliest seeds of structures may have been laid down by gravitational waves sloshing around in the infant universe.
Astronomy
Jan 17, 2025
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Hubble tracks down a 'blue lurker' among stars
Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the Star Wars movie trilogy where Luke Skywalker watched two suns set on the horizon as seen from his ...
Astronomy
Jan 17, 2025
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Image: Hubble reveals Jupiter in ultraviolet light
This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on Nov. 3, 2023, in honor of Jupiter reaching opposition, which occurs when the planet and the sun ...
Astronomy
Jan 17, 2025
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Turning the Hubble tension into a crisis: New measurement confirms universe is expanding too fast for current models
The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly debated—results had shown: The universe is expanding faster than predicted by theoretical models, and ...
Astronomy
Jan 17, 2025
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Image: Hubble captures young stars changing their environments
This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, the Orion Nebula (Messier 42, M42). Just 1,500 light-years away, the Orion Nebula is visible to ...
Astronomy
Jan 17, 2025
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Astronomers capture unprecedented view of supermassive black hole in action
Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes, enormous amounts of energy are released, making active galactic nuclei, or AGN, one of the most ...
Astronomy
Jan 17, 2025
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Astrophysicists reveal structure of 74 exocomet belts orbiting nearby stars
Astrophysicists led by a team from Trinity College Dublin have—for the first time—imaged a large number of exocomet belts around nearby stars, and the tiny pebbles within them. The crystal-clear images show light being ...
Astronomy
Jan 17, 2025
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An even ghostlier neutrino may rule the universe
Strange "right-handed" neutrinos may be responsible for all the matter in the universe, according to new research.
Astronomy
Jan 16, 2025
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Panorama of Andromeda galaxy unveils hundreds of millions of stars
In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby stellar island to our Milky ...
Astronomy
Jan 16, 2025
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Tiny galaxy reignites, shedding light on star formation and cosmic evolution
In a study published in the Astrophysical Journal, a team of researchers led by Kristen McQuinn, a scientist at the Space Telescope Science Institute and an associate professor in the Department of Physics and Astronomy at ...
Astronomy
Jan 16, 2025
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Young stars in the Milky Way's back yard challenge our understanding of how they form
Astronomers have made new discoveries about young star formation in the Large Magellanic Cloud (LMC), using the James Webb Space Telescope (JWST), along with observations from the Atacama Large Millimeter/submillimeter Array ...
Astronomy
Jan 16, 2025
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Astronomers detect peculiar features in the stellar halo of dwarf galaxy NGC 300
Using the Cerro Tololo Inter-American Observatory (CTIO), an international team of astronomers have performed deep optical observations of a dwarf galaxy known as NGC 300. As a result, they detected a stellar stream, shells ...
Lost sulfur in the universe may reside in salt on dust and pebbles
An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ammonium under icy cosmic conditions and form a salt that sticks to dust and pebbles. The resulting ...
Astronomy
Jan 16, 2025
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