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Telescopes Paint Stunning View Of Galaxy Cluster With Black Hole Jets
Space.com
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09/05/2025
Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and three radio telescopes (LOFAR, the GMRT and the VLA). See a composite of all the views here.
Credit: NASA/CXC/A. Hobart
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00:00
Visit Chandra's Beautiful Universe
00:05
ABEL 2256
00:10
Astronomers have captured a spectacular and ongoing collision
00:14
between at least three galaxy clusters.
00:17
Data from NASA's Chandra X-ray Observatory,
00:21
ESO's XMM-Newton,
00:23
and a trio of radio telescopes
00:25
are helping astronomers sort out what is happening
00:28
in this jumbled scene.
00:31
Galaxy clusters are some of the largest structures in the universe
00:34
and contain a mixture of galaxies, hot gas, and dark matter.
00:40
Over time, these colossal objects can collide
00:43
and merge with each other through their gravitational pull.
00:47
This is the main way that galaxy clusters can grow
00:50
into the gigantic cosmic edifices seen today.
00:54
ABEL 2256, located 780 million light-years from Earth,
00:59
is a scene where this process is taking place.
01:03
Astronomers studying this object are trying to tease out
01:06
what has led to this unusual-looking structure.
01:09
Each telescope tells a different part of the story.
01:13
For example, Chandra and XMM-Newton
01:16
can see the multi-million-degree gas from the clusters.
01:20
The radio emission in this system arises from an even more complex set of sources.
01:25
The first are the galaxies themselves,
01:28
where the radio signal is generated by particles blasting away in jets
01:32
from supermassive black holes at their centers.
01:35
Radio waves are also coming from a huge filamentary structure,
01:39
which was likely generated when the collision created shock waves
01:42
and accelerated particles in the gas.
01:45
Astronomers will continue to study this complex system
01:49
to untangle this knot of galaxy clusters
01:52
and the details of the physics taking place there.
01:54
This will help us learn more about how these cosmic giants
01:58
came to inhabit the universe today.
02:00
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