Two Black Holes Dancing And Nano Writing Today

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2008 November 9 
See Explanation.  Clicking on the picture will download  the highest resolution version available.

Two Black Holes Dancing in 3C 75 
 

 

the supermassive black holes are separated by 25,000 light-years. At the cores of two merging galaxies in the Abell 400 galaxy cluster they are some 300 million light-years away. Astronomers conclude that these two supermassive black holes are bound together by gravity in a binary system in part because the jets’ consistent swept back appearance is most likely due to their common motion as they speed through the hot cluster gas at 1200 kilometers persecond. Such spectacular cosmic mergers are thought to be common in crowded galaxy cluster environments in the distant universe. In their final stages the mergers are expected to be intense sources of gravitational waves.

 
Tomorrow’s picture: Nascent Nano Novel deepens and soars blissfully. Bloody Marvelous!



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