Deepwater6 Posted September 29, 2012 Report Share Posted September 29, 2012 (edited) http://www.space.com/17800-giant-black-hole-mouth-measured.html Here is an article from Space.com about observations taken by the Event Horizon Telescope. It also has a quiz about BH's but I'm not sure if it will come through with the article. Test your knowledge of black holes. Edited September 29, 2012 by Deepwater6 Quote Link to comment Share on other sites More sharing options...
modest Posted September 29, 2012 Report Share Posted September 29, 2012 The question "black holes have infinite..." where the correct answer is "density" is a bit misleading. The singularity has infinite density, but a black hole's volume is typically defined with a radius at the event horizon inside which the density need not be unreasonably large. ~modest Quote Link to comment Share on other sites More sharing options...
Deepwater6 Posted September 29, 2012 Author Report Share Posted September 29, 2012 Yes I agree Modest, If I remember correctly I think I got that one wrong. Quote Link to comment Share on other sites More sharing options...
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