M87 Black Hole Bulks Up

McDonald Observatory - June 8, 2009

Tough Stellar Infants Survive Black Hole Neighborhood

StarDate - January 5, 2009

Whirling Around the Milky Way

ESO News - December 10, 2008

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NGC 3516

A supermassive black hole in the constellation Ursa Major.

NGC 3516 is a disk-shaped galaxy, which is tilted so that it appears nearly face-on. At this angle, telescopes have a clear view down into the bright core of the galaxy, where astronomers suspect that a large black hole resides. Gas clouds are being pulled inwards by the gravity of the black hole, swirling around and around before being swallowed up. The violent motions in this central region create a great deal of heat, and as a result, the gas glows brightly in nearly every part of the electro... More »

How many black holes are there?

To use a technical term, gobs.

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Structure of a Black Hole

Although black holes come in a variety of masses and sizes, their structures are all alike. A black ... More »

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