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Astronomy news
Two luminous flares detected from a nearby tidal disruption event
A group of astronomers from numerous institutions have investigated a recently discovered nearby tidal disruption event known as ASASSN-22ci. They detected two luminous flares from this event. The finding was reported in ...
Unusual binary system hosts a massive fast-spinning white dwarf
In a recent study, an Italian astronomer has investigated the nature of a binary system known as HD 49798/RX J0648.0–4418. Results of the new research, published Dec. 24 on the preprint server arXiv, yield important insights ...
Dark energy camera captures the glittering galaxies of the Antlia Cluster
NSF NOIRLab rings in the New Year with a glittering galaxyscape captured with the Department of Energy-fabricated Dark Energy Camera, mounted on the U.S. National Science Foundation Víctor M. Blanco 4-meter Telescope at ...
Astronomy
23 hours ago
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Scientists pin down the origins of a fast radio burst
Fast radio bursts are brief and brilliant explosions of radio waves emitted by extremely compact objects such as neutron stars and possibly black holes. These fleeting fireworks last for just a thousandth of a second and ...
Astronomy
Jan 1, 2025
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German astronomers discover three new hydrogen-deficient pre-white dwarfs
Using the X-shooter instrument at ESO's Very Large Telescope (VLT), German astronomers have detected three new pre-white dwarfs, which turned out to be strongly hydrogen-deficient. The finding was reported in a research paper ...
New method traces molecular gas mass in distant galaxies
Prof. Zhao Yinghe from the Yunnan Observatories of the Chinese Academy of Sciences, along with collaborators, have conducted a study examining the correlation between the [C II] 158 micron emission and the CO(1-0) line. Their ...
Astronomy
Dec 31, 2024
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Observers investigate a nearby galaxy cluster merger
Using the Very Large Array (VLA), an international team of astronomers have observed a nearby galaxy merger known as CIZA J0107.7+5408. Results of the observational campaign, presented December 20 on the preprint server arXiv, ...
From dead galaxies to mysterious red dots, here's what the James Webb Telescope has found in just 3 years
On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and most powerful telescope humans have ever sent into space.
Astronomy
Dec 28, 2024
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Astronomers discover an ultra-massive grand-design spiral galaxy
Using the James Webb Space Telescope (JWST), an international team of astronomers has detected a new grand-design spiral galaxy as part of the PANORAMIC survey. The newfound galaxy, named Zhúlóng, is extremely massive and ...
Study sheds more light on the nature of compact symmetric object DA 362
Indian astronomers have performed a multiwavelength study of a gamma-ray emitting compact symmetric object known as DA 362. Results of the study, presented in a research paper published December 17 on the pre-print server ...
Researchers reveal changes in geometry and kinematics of the broad-line region in active galactic nuclei
Dr. Feng Haicheng from the Yunnan Observatories of the Chinese Academy of Sciences, along with his collaborators, has made progress in studying the geometrical and kinematical evolution of the broad-line region (BLR) in active ...
Astronomy
Dec 27, 2024
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In Disney's 'Moana,' the characters navigate using the stars—an astronomer explains how these methods work
If you have visited an island like one of the Hawaiian Islands, Tahiti or Easter Island, also known as Rapa Nui, you may have noticed how small these land masses appear against the vast Pacific Ocean. If you're on Hawaii, ...
Astronomy
Dec 25, 2024
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Image: The twin galaxies NGC 4496A and NGC 4496B
NGC 4496 in the constellation Virgo consists of two spiral galaxies, NGC 4496A (upper large galaxy) and NGC 4496B (lower galaxy). They are in the same line of sight from Earth but located at quite different distances, and ...
Astronomy
Dec 24, 2024
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Is the universe a fractal?
For decades, cosmologists have wondered if the large-scale structure of the universe is a fractal: if it looks the same no matter the scale. And the answer is: no, not really. But in some ways, yes. Look, it's complicated.
Astronomy
Dec 24, 2024
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Observations detect young and energetic pulsar in a supernova remnant
An international team of astronomers has reported the discovery of a new pulsar, which received the designation PSR J1631–4722. The newfound pulsar, which is young and energetic, turns out to be associated with a supernova ...
Quantum correlations could solve the black hole information paradox
The black hole information paradox has puzzled physicists for decades. New research shows how quantum connections in spacetime itself may resolve the paradox, and in the process leave behind a subtle signature in gravitational ...
Astronomy
Dec 23, 2024
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Hubble spies spiral galaxy NGC 2566
This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 2566, which sits 76 million light-years away in the constellation Puppis. A prominent bar of stars stretches across the center of this galaxy, and ...
Astronomy
Dec 23, 2024
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Two stars may be orbiting each other near a supermassive black hole in our Milky Way galaxy
Scientists have spotted what appear to be two stars whipping around each other near the supermassive black hole at the center of our Milky Way galaxy.
Astronomy
Dec 21, 2024
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Dark energy 'doesn't exist' so can't be pushing 'lumpy' universe apart, physicists say
One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the riddle of how the universe is expanding.
Astronomy
Dec 20, 2024
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Latest gravitational wave observations conflict with expectations from stellar models
Almost 300 binary mergers have been detected so far, indicated by their passing gravitational waves. These measurements from the world's gravitational wave observatories put constraints on the masses and spins of the merging ...
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