M84 in 60 Seconds (12-12-2008)
M84 is a massive elliptical galaxy located about 55 million light years from Earth in the Virgo Cluster.

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- Related Links:
--  Huge Russian Dolls Surrounding a Galaxy
--  Tour of M84

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.

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

NGC 4258 in 60 Seconds (07-11-2008)
A composite image of NGC 4258, about 25 million light-years from Earth, shows an X-shaped pattern when seen in different types of light.

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- Related Links:
--  Mysterious Arms Revealed
--  Tour of NGC 4258

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.

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- Related Links:
--  M33 X-7

Sombrero Galaxy in 60 Seconds (05-21-2008)
Like the Milky Way, Sombrero is a spiral galaxy. However, we see Sombrero edge-on from our vantage point from Earth, rather than the face-down perspective that is more familiar.

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- Related Links:
--  A Great Observatories View
--  Tour of Sombrero