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.

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--  Heart of Lonesome Galaxy is Brimming with Dark Matter

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.

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• With closed-captions (at YouTube)
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--  Heart of Lonesome Galaxy is Brimming with Dark Matter

A Tour of the Fornax Cluster (05-28-2019)
Scientists have found evidence that pairs of stars have been kicked out of their host galaxies.

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--  Chandra Finds Stellar Duos Banished from Galaxies

A Quick Look at a New Signal for a Neutron Star Collision Discovered (04-16-2019)
A bright blast of X-rays from a source in a distant galaxy has led astronomers to a fascinating discovery.

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--  A New Signal for a Neutron Star Collision Discovered

A Tour of a New Signal for a Neutron Star Collision Discovered (04-16-2019)
A bright blast of X-rays from a source in a distant galaxy has led astronomers to a fascinating discovery.

• Download Video (30.1 MB, Runtime: 2:39)
• With closed-captions (at YouTube)
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• Transcript

- Related Links:
--  A New Signal for a Neutron Star Collision Discovered