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Video Series: Groups & Clusters of Galaxies

Recent discoveries and updates of the Chandra mission in video and audio formats.

Tour: NASA's Chandra Breaks Down 'Treble Clef's' Galaxy Cluster Collision (10-13-2026)
Astronomers have discovered that an outburst from a supermassive black hole, followed by a collision of two galaxy clusters, are the likely causes of an unusual formation in a galaxy cluster nicknamed the "Treble Clef."

- Related Links:
--  NASA's Chandra Breaks Down 'Treble Clef's' Galaxy Cluster Collision

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Quick Look: NASA's Chandra Breaks Down 'Treble Clef's' Galaxy Cluster Collision (10-13-2026)
Astronomers have discovered that an outburst from a supermassive black hole, followed by a collision of two galaxy clusters, are the likely causes of an unusual formation in a galaxy cluster nicknamed the "Treble Clef."

- Related Links:
--  NASA's Chandra Breaks Down 'Treble Clef's' Galaxy Cluster Collision

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Tour: Chandra Sees Black Hole Stirring "Pot" Containing Galactic Potato (07-21-2026)
A black hole may be stirring a "pot" of gas containing a neighboring galaxy in the early universe, according to a new study using NASA's Chandra X-ray Observatory.

- Related Links:
--  Chandra Sees Black Hole Stirring "Pot" Containing Galactic Potato

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Quick Look: Chandra Sees Black Hole Stirring "Pot" Containing Galactic Potato (07-21-2026)
A black hole may be stirring a "pot" of gas containing a neighboring galaxy in the early universe, according to a new study using NASA's Chandra X-ray Observatory.

- Related Links:
--  Chandra Sees Black Hole Stirring "Pot" Containing Galactic Potato

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Quick Look: Galaxy Cluster Relaxed Now, but was Wild in the Past (05-12-2026)
New Chandra observations of "the most relaxed cluster in the Universe," Abell 2029, clearly show that it had a much more colorful history than its current disposition suggests.

- Related Links:
--  Galaxy Cluster Relaxed Now, but was Wild in the Past

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Tour: Galaxy Cluster Relaxed Now, but was Wild in the Past (05-12-2026)
New Chandra observations of "the most relaxed cluster in the Universe," Abell 2029, clearly show that it had a much more colorful history than its current disposition suggests.

- Related Links:
--  Galaxy Cluster Relaxed Now, but was Wild in the Past

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