A Tour of the Sagittarius A* Black Hole Swarm (05-09-2018)
Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy.

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--  Sagittarius A* Swarm: Black Hole Bounty Captured in the Milky Way Center

A Quick Look at the Sagittarius A* Black Hole Swarm (05-09-2018)
Astronomers have found evidence for a new bounty of black holes at the center of the Milky Way.

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--  Sagittarius A* Swarm: Black Hole Bounty Captured in the Milky Way Center

A Tour of NGC 6231 (05-02-2018)
By studying young clusters, astronomers hope to learn more about how stars-- including our Sun--are born.

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--  NGC 6231: Stellar Family Portrait in X-rays

A Quick Look at NGC 6231 (05-02-2018)
By studying young clusters, astronomers hope to learn more about how stars -- including our Sun -- are born.

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--  NGC 6231: Stellar Family Portrait in X-rays

A Tour of the Cold Front in the Perseus Cluster (04-03-2018)
A gigantic and resilient "cold front" hurtling through the Perseus galaxy cluster has been studied using data from NASA's Chandra X-ray Observatory.

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--  Perseus Cluster: Scientists Surprised by Relentless Cosmic Cold Front