galaxy cluster

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Tag: Chandra X-Ray Observatory
Tag: supermassive black holes
Tag: Hubble Space Telescope
Tag: galaxies

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Tag: Bad Astronomy
Tag: supermassive black holes
So how many supermassive black holes *are* there in Holmberg 15A anyway?
Phil Plait
Jan 11, 2021
Abell 85, a galaxy cluster with over 400 galaxy members. Holmberg 15A is the central elliptical galaxy, and is extremely massive. Credit: Matthias Kluge/USM/MPE
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Tag: Bad Astronomy
Tag: supermassive black holes
Tag: Science
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Tag: galaxy cluster
So, um, does anyone remember where we put that supermassive black hole?
Phil Plait
Dec 21, 2020
X-ray (purple) and visible light composite of the center of the galaxy cluster Abell 2261.
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Tag: galaxy cluster
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Tag: galaxies
How is a galaxy like a road-tripping dog?
Phil Plait
Jan 30, 2019
A close-up of D100 shows the streamer in silhouette, with the dust (along with the gas) leaving the galaxy blocking the light form stars behind it. Credit: NASA, ESA, M. Sun (University of Alabama), and W. Cramer and J. Kenney (Yale University)
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Tag: galaxies
Tag: Science
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Tag: galaxies
A cluster of clusters: The globulars of Coma
Phil Plait
Dec 10, 2018
The inner part of the massive Coma galaxy cluster, where thousands of galaxies swarm. Credit: NASA, ESA, J. Mack (STScI), and J. Madrid (Australian Telescope National Facility)
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Tag: galaxies
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A distant black hole powers a colossal galactic fountain
Phil Plait
Nov 29, 2018
Composite image of the galaxy cluster Abell 2597 showing X-rays from background hot gas (purple), radio waves from cold gas falling toward the center (yellow), and warm hydrogen gas (red).
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Tag: asteroids
Abell 370 and the vermin of the sky
Phil Plait
Jul 5, 2018
Abell 370 provides a dramatic backdrop for quite a few asteroids, seen as curved tracks in this Hubble image. Credit: NASA, ESA, and B. Sunnquist and J. Mack (STScI) Acknowledgment: NASA, ESA, and J. Lotz (STScI) and the HFF Team
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Tag: asteroids