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Recent Podcast
Tour of Phoenix Cluster
Tour of Phoenix Cluster
This galaxy cluster, which was found about 5.7 billion light years from Earth, shattered several important astronomical records. (2015-10-01)
Podcasts: Black Holes

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

GRS 1915+105 in 60 Seconds (01-29-2011)
GRS 1915+105, or GRS 1915 for short, is a special system. Not only does it contain a black hole some 14 times more massive than the Sun in orbit with a companion star, it also has a heartbeat.

- Related Links:
--  Taking the Pulse of a Black Hole System
--  A Tour of GRS 1915+105

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A Tour of SN 1979C (11-15-2010)
The youngest known black hole in our cosmic neighborhood may have been found using NASA's Chandra X-ray Observatory and other telescopes.

- Related Links:
--  NASA's Chandra Finds Youngest Nearby Black Hole

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NGC 7793 in 60 Seconds (07-26-2010)
This composite image shows the nearby galaxy NGC 7793 that contains a powerful microquasar in its outskirts.

- Related Links:
--   Black Hole Blows Big Bubble
--  Tour of NGC 7739

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Sagittarius A* in 60 Seconds (01-21-2010)
Astronomers have long known that the supermassive black hole at the center of our Milky Way galaxy is a particularly poor eater.

- Related Links:
--  Peering Into The Heart of Darkness
--  Tour of Sagittarius A*

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NGC 6240 in 60 Seconds (10-07-2009)
NGC 6240 is a system in which two supermassive black holes are a mere 3,000 light years apart, virtually nothing in astronomical terms.

- Related Links:
--  Black Holes Go "Mano A Mano"
--  Tour of NGC 6240

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