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Astronomy news
Image: A chance alignment in Lupus
The subject of today's NASA/ESA Hubble Space Telescope Picture of the Week is the stunning spiral galaxy NGC 5530. NGC 5530 is situated 40 million light-years away in the constellation Lupus (The Wolf). This galaxy is classified ...
Astronomy
Apr 4, 2025
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Hubble spots star cluster NGC 346
In anticipation of the upcoming 35th anniversary of the NASA/ESA Hubble Space Telescope, ESA/Hubble is kicking off the celebrations with a new image of the star cluster NGC 346, featuring new data and processing techniques. ...
Astronomy
Apr 4, 2025
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Astronomers discover doomed pair of spiraling stars on our cosmic doorstep
University of Warwick astronomers have discovered an extremely rare, high-mass, compact binary star system only ~150 light years away. These two stars are on a collision course to explode as a type 1a supernova, appearing ...
Astronomy
Apr 4, 2025
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When a black hole winks at you: Variability identified in supermassive black hole in Andromeda galaxy
A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope.
Astronomy
Apr 3, 2025
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Astronomers listened to the 'music' of flickering stars—and discovered an unexpected feature
The "music" of starquakes—enormous vibrations caused by bursting bubbles of gas that ripple throughout the bodies of many stars—can reveal far more information about the stars' histories and inner workings than scientists ...
Astronomy
Apr 3, 2025
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Dark energy may not be constant—this discovery could undermine our entire model of cosmological history
The great Russian physicist and Nobel laureate Lev Landau once remarked that "cosmologists are often in error, but never in doubt." In studying the history of the universe itself, there is always a chance that we have got ...
Astronomy
Apr 3, 2025
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Hierarchical cluster formation in the Milky Way's core caps birth of massive stars
An international research team led by Dr. Zhang Suinan from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has uncovered the unique mechanisms governing star formation in the Central Molecular Zone ...
Astronomy
Apr 3, 2025
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HD 144812 is a rare post-red supergiant star in a binary system, observations find
Astronomers from the Czech Republic and Argentina have employed the Gemini South telescope to observe a yellow supergiant star designated HD 144812. The observations found that HD 144812 is a rare post-red supergiant orbited ...
The significance of the recent 'baby pictures' showing the universe when it was just 380,000 years old
The Atacama Cosmology Telescope (ACT) collaboration, which includes researchers from the University of Toronto, recently produced the clearest images yet of the universe's infancy from the earliest cosmic time accessible ...
Astronomy
Apr 3, 2025
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Ultralight dark matter could explain early black hole formation
A black hole is a region of space where gravity is so strong that nothing, not even light, can escape. There are two main types of black hole; stellar mass and supermassive black holes, and they differ in size, formation, ...
Astronomy
Apr 2, 2025
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Image: X-ray clues reveal a star that may have destroyed a planet
This image of the Helix Nebula, released on March 4, 2025, shows a potentially destructive white dwarf at the nebula's center; this star may have destroyed a planet. This has never been seen before—and could explain a mysterious ...
Astronomy
Apr 2, 2025
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Webb explores effect of strong magnetic fields on star formation
Follow-up research on a 2023 image of the Sagittarius C stellar nursery in the heart of our Milky Way galaxy, captured by NASA's James Webb Space Telescope, has revealed ejections from still-forming protostars and insights ...
Astronomy
Apr 2, 2025
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Sagittarius C: Webb provides closest look yet at one of Milky Way's most extreme environments
Sagittarius C is one of the most extreme environments in the Milky Way galaxy. This cloudy region of space sits about 200 light-years from the supermassive black hole at the center of our galaxy. Here, a massive and dense ...
Astronomy
Apr 2, 2025
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Melodies of musical 'starquakes' shed new light on how our galaxy formed
They say music is the universal language of humankind, but some stars in our galaxy exhibit their own rhythm, offering fresh clues into how they and our galaxy evolved over time.
Astronomy
Apr 2, 2025
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Galaxies die earlier than expected: Webb sees signs of halted star formation 700 million years after Big Bang
An international team led by UNIGE shows that red and dead galaxies can be found only 700 million years after the Big Bang, indicating that galaxies stop forming stars earlier than predicted by models.
Astronomy
Apr 2, 2025
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KiDS dataset doesn't shake up cold dark matter model after all, say researchers
Data from 41 million galaxies does not shake up the standard cosmological model after all. To that conclusion, to their own surprise, comes an international team of researchers including Koen Kuijken, professor at the Leiden ...
Astronomy
Apr 1, 2025
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A dramatic Einstein ring seen by Webb
One of the first verified predictions of general relativity is the gravitational deflection of starlight. The effect was first observed in 1919 during a total solar eclipse. Since stars appear as points of light, the effect ...
Astronomy
Apr 1, 2025
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NASA's SPHEREx takes first images, preps to study millions of galaxies
NASA's SPHEREx (short for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) has turned on its detectors for the first time in space. Initial images from the observatory, which launched ...
Astronomy
Apr 1, 2025
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Multifrequency observations explore radio galaxy 3C 111 and its jet
Using the Very Long Baseline Array (VLBA), European astronomers have carried out multi-wavelength radio observations of a radio galaxy designated 3C 111. Results of the observational campaign, published March 24 on the arXiv ...
Jets from powerful black holes can point astronomers toward where to look for life in the universe
One of the most powerful objects in the universe is a radio quasar—a spinning black hole spraying out highly energetic particles. Come too close to one, and you'd get sucked in by its gravitational pull, or burn up from ...
Astronomy
Mar 31, 2025
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