Friday, December 7, 2012

Apod 2.4

This is an image of the Hercules A galaxy. It contains an active super-massive blackhole at its center. Astronomers believe that it is the black hole that causes the "jets" shown in this image. Some of these plasma "jets" can be over one million light years long. Hercules A's central galaxy, 3C 348 is one thousand times bigger than our Milky Way galaxy.

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