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merging galaxies

Artificial intelligence reveals a long-standing mistake in the study of black holes. Credit: The Science website via DALEE

Artificial intelligence reveals a long-standing mistake in the study of black holes

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A new study, led by the UK's University of Bath, has found that supermassive black holes need both merging galaxies and cold gas to grow. This discovery, obtained through machine learning, may change our understanding of galaxy evolution
Artist's rendering of the heaviest pair of supermassive black holes: Using archival data from the Gemini North Telescope, a team of astronomers has measured the heaviest pair of supermassive black holes ever found. The merger of two supermassive black holes is a long-predicted but never-observed phenomenon. This pair provides insight into why such an event seems so unlikely in the universe. Credit: NOIR LAB

Astronomers have measured the heaviest pair of black holes ever found

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Data from the Gemini North Telescope provide a possible explanation for the halting of the merger of a pair of supermassive black holes at the center of a galaxy
In this image, the complex dust lanes of the galaxy are a spectacular sight. NGC 4753 is about 60 million light years away in the constellation Virgo. Photo by ESO's Gemini South Telescope in Chile

Gemini South Observatory images NGC 4753's spiral dust disk, the result of a galaxy merger

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NGC 4753 was discovered in 1784 by astronomer William Herschel and has some fascinating features. In this image, the complex dust lanes of the galaxy are a spectacular sight. NGC 4753 is about 60 million light-years away in the constellation Virgo
This image, showing an elliptical galaxy (left) and a spiral galaxy (right) includes nearby AA light from the James Webb Space Telescope and UV light seen from the Hubble Space Telescope. Credit: NASA, ESA, CSA, Rogier Windhorst (ASU), William Keel ( University of Alabama), Stuart Wyithe (University of Melbourne), JWST PEARLS Team, Alyssa Pagan (STScI)

Explanation of a strange cosmic phenomenon: astrophysicists discovered why there are no spiral galaxies in our supergalactic plane

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Astrophysicists have discovered why spiral galaxies like our Milky Way are rare in the supergalactic plane, a dense region of our local universe
The galaxy CGCG 396-2 in the Hubble image. Credit: ESA/Hubble & NASA, W. Keel

Hubble discovers a galactic gem: an unusual merger of a multi-armed galaxy

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Citizen scientists have classified lexicons to help scientists solve an astronomical-scale problem -- how to sort through the vast amounts of information generated by robotic telescopes
Magellanic clouds. Photo: Andrew Lockwood for the Australian National University

The pair of Magellanic Clouds were once a trio

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Some of the thousands of merging galaxies identified in the Gamma Survey. Photo: Simon Driver and Aron Robotham, ICRAR.

Monster galaxies gain mass by accreting their smaller neighbors

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The dwarf galaxy NGC 4449, engulfs a stream of stars. Photo: Subaru Telescope, Hawaii

Even small galaxies swallow other galaxies

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The Rose Galaxy - from the pair ARP 273

Hubble celebrates 21 with the rose of the galaxies

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The Antenna Galaxies: Combined Hubble, Spitzer, and Chandra Space Telescope Images, August 2010. Photo: NASA

Spectacular collision of galaxies

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A galaxy collision restarts a black hole

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Spitzer photographed the Big Eye galaxy

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Hundreds of "rogue" black holes wander the Milky Way and swallow everything in their path

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Astrophysicists at the Hebrew University formulated a new understanding of the formation of galaxies in the universe

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Researchers from the Hebrew University have developed a revolutionary model to explain the formation of galaxies

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Hubble captured a galaxy as it formed

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Massive galaxies collide. Will this also be the end of the Milky Way?

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Hubble watched a cannibalistic galaxy

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The merging dance of the galaxies

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