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 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 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

A Tour of the Crab Nebula (03-14-2018)
A new composite image of the Crab Nebula features X-rays from Chandra, optical data from Hubble, and infrared data from Spitzer.

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--  Crab Nebula: A Crab Walks Through Time

A Tour of Black Hole Growth in Chandra Deep Field South (02-15-2018)
Two groups of scientists, using data from Chandra X-ray Observatory and other telescopes, have found evidence that the growth of the biggest black holes in the Universe is outrunning the rate of formation of stars in the galaxies they inhabit.

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--  Supermassive Black Holes Are Outgrowing Their Galaxies