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Recent Podcast
Tour of NGC 2207
Tour of NGC 2207
When galaxies get together, there is also the chance of a spectacular light show. (2014-12-16)
Podcasts: Black Holes

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

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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GRS 1915 in 60 Seconds (06-25-2009)
We start with an optical and infrared image that shows the crowded area around the object known as GRS 1915+105, or GRS 1915 for short.

- Related Links:
--  Erratic Black Hole Regulates Itself
--  Tour of GRS 1915

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M81 in 60 Seconds (08-21-2008)
This image of the mammoth spiral galaxy M81, located about 12 million light years away, contains data from four different NASA satellites.

- Related Links:
--  Black Holes Have Simple Feeding Habits
--  Tour of M81

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Just Two Numbers Is All You Need (06-02-2008)
Black holes sound wildly complicated. After all, there are all sorts of bizarre things going on: intense gravity, the warping of the fabric of space, the distortion of time itself. But when it comes to describing black holes, it comes down to just two numbers: the mass of the black hole and its spin.

- Related Links:
--  M33 X-7

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