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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.

NGC 4342 and NGC 4291 in 60 Seconds (06-13-2012)
Astronomers think that just about every galaxy has a giant black hole at its center.

- Related Links:
--  Black Hole Growth Found to be Out of Synch
--  Tour of NGC 4342 and NGC 4291

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CID-42 in 60 Seconds (06-04-2012)
At the center of a galaxy some 4 billion light years from Earth, something extraordinary is happening. This galaxy, known as CID-42, contains a giant black hole.

- Related Links:
--  Giant Black Hole Kicked Out of Home Galaxy
--  Tour of CID-42

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Sgr A* in 60 Seconds (02-09-2012)
Over several years, astronomers have noticed flares in X-ray light from the black hole at the center of the Milky Way.

- Related Links:
--  NASA's Chandra Finds Milky Way's Black Hole May be Grazing on Asteroids
--  Tour of Sagittarius A*

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Cygnus X-1 in 60 Seconds (11-18-2011)
Over three decades ago, Stephen Hawking placed, and eventually lost, a bet against the existence of a black hole in Cygnus X-1.

- Related Links:
--  NASA's Chandra Adds to Black Hole Birth Announcement
--  Tour of Cygnus X-1

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NGC 3115 in 60 Seconds (07-27-2011)
This is NGC 3115, a galaxy located about 32 million light years from Earth. This composite image contains X-rays from Chandra as well as optical data from the Very Large Telescope.

- Related Links:
--  Chandra Images Gas Flowing Toward Black Hole
--  Tour of NGC 3115

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