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APOD Index - Stars: Black Holes
http://antwrp.gsfc.nasa.gov/apod/lib/black_holes.html
A list of black holes pictures from NASA's "Astronomy Picture of the Day" archive.
Fireworks in a Black Hole Near the Core of the S
http://oposite.stsci.edu/pubinfo/pr/97/18.html
photos and background information