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Recent Podcast
A Tour of Circinus X-1
A Tour of Circinus X-1
These rings are light echoes, similar to sound echoes that we may experience here on Earth. (2015-06-25)
Podcasts: Black Holes

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

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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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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