File:Strong black hole winds reshape a galaxy ESA25463665.jpg
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Captions
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This artist impression shows ultra-fast winds blasting out from the centre of galaxy Markarian 817. These winds, moving at many millions of kilometres per hour, clear out interstellar gas from a vast region of space.
Summary
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| Description |
English: This artist impression shows ultra-fast winds blasting out from the centre of galaxy Markarian 817. These winds, moving at many millions of kilometres per hour, clear out interstellar gas from a vast region of space. Without this gas, the galaxy can’t form new stars and the black hole in the galactic centre has little left to eat. Researchers caught Markarian 817 blasting out ultra-fast winds using ESA’s X-ray telescope XMM-Newton. Lasting for around a year, the winds will have significantly affected star formation in the galaxy. The fact that the black hole at the centre of the galaxy was showing rather average activity levels before producing the winds suggests that ultra-fast black hole winds are much more common than previously thought. In other words, black holes and their host galaxies strongly affect each other’s evolution. Read the full story here [Image description: Side view of a galaxy with spiral arms of bright blue stars separated by dark bands of interstellar dust. The galaxy’s active centre is blasting out a strong wind of gas in all directions, shown as yellowish-white streaks. An inset zooms in on the centre, showing that the wind is coming from a swirling disc of gas, lit up in orange and yellow, which encircles a supermassive black hole.] |
| Date | 1 February 2024 (upload date) |
| Source | Strong black hole winds reshape a galaxy |
| Author | European Space Agency |
| Activity | Space Science |
| Keywords | active Galaxy dynamics Black holes black hole X-rays X-ray astronomy; Galaxies Galaxy Active galaxies Galaxies |
| Mission | XMM-Newton |
Licensing
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This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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   This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license. Attribution: ESA (acknowledgement: work performed by ATG under contract to ESA), CC BY-SA IGO 3.0
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This file, which was originally posted to
Strong black hole winds reshape a galaxy, was reviewed on 6 February 2024 by reviewer Юрий Д.К., who confirmed that it was available there under the stated license on that date.
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