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Recent discoveries and updates of the Chandra mission in video and audio formats.
A Quick Look at a Collision Between Four Galaxy Clusters in Abell 1758 (10-24-2019)
When two pairs of galaxy clusters collide, the result is not four separate objects, but one giant galaxy cluster.
- Related Links:
-- Chandra Spots a Mega-Cluster of Galaxies in the Making
When two pairs of galaxy clusters collide, the result is not four separate objects, but one giant galaxy cluster.
- Download Video (18.1 MB, Runtime: 1:12)
- Related Links:
-- Chandra Spots a Mega-Cluster of Galaxies in the Making

A Tour of a Collision Between Four Galaxy Clusters in Abell 1758 (10-24-2019)
When two pairs of galaxy clusters collide, the result is not four separate objects, but one giant galaxy cluster.
- Related Links:
-- Chandra Spots a Mega-Cluster of Galaxies in the Making
When two pairs of galaxy clusters collide, the result is not four separate objects, but one giant galaxy cluster.
- Download Video (42.4 MB, Runtime: 2:31)
- With closed-captions (at YouTube)
- Listen to Audio Only
- Transcript
- Related Links:
-- Chandra Spots a Mega-Cluster of Galaxies in the Making

A Tour of Mrk 1216 (06-03-2019)
A galaxy that has been isolated for billions of years has been found to have more dark matter in its core than expected.
- Related Links:
-- Heart of Lonesome Galaxy is Brimming with Dark Matter
A galaxy that has been isolated for billions of years has been found to have more dark matter in its core than expected.
- Download Video (42.1 MB, Runtime: 2:42)
- With closed-captions (at YouTube)
- Listen to Audio Only
- Transcript
- Related Links:
-- Heart of Lonesome Galaxy is Brimming with Dark Matter

A Quick Look at Mrk 1216 (06-03-2019)
A galaxy that has been isolated for billions of years has been found to have more dark matter in its core than expected.
- Related Links:
-- Heart of Lonesome Galaxy is Brimming with Dark Matter
A galaxy that has been isolated for billions of years has been found to have more dark matter in its core than expected.
- Download Video (17.1 MB, Runtime: 1:08)
- Related Links:
-- Heart of Lonesome Galaxy is Brimming with Dark Matter

A Quick Look at Where is the Universe Hiding its Missing Mass? (02-14-2019)
Astronomers have used Chandra to possibly identify the location of a third of the normal matter in the Universe created in the first billion years or so after the Big Bang.
- Related Links:
-- Where is the Universe Hiding its Missing Mass?
Astronomers have used Chandra to possibly identify the location of a third of the normal matter in the Universe created in the first billion years or so after the Big Bang.
- Download Video (16.9 MB, Runtime: 1:08)
- Related Links:
-- Where is the Universe Hiding its Missing Mass?

A Tour of Where is the Universe Hiding its Missing Mass? (02-14-2019)
Astronomers have used Chandra to possibly identify the location of a third of the normal matter in the Universe created in the first billion years or so after the Big Bang.
- Related Links:
-- Where is the Universe Hiding its Missing Mass?
Astronomers have used Chandra to possibly identify the location of a third of the normal matter in the Universe created in the first billion years or so after the Big Bang.
- Download Video (83 MB, Runtime: 3:09)
- With closed-captions (at YouTube)
- Listen to Audio Only
- Transcript
- Related Links:
-- Where is the Universe Hiding its Missing Mass?

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