RolfAndreassen comments on Ask an experimental physicist - Less Wrong

35 Post author: RolfAndreassen 08 June 2012 11:43PM

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Comment author: shminux 01 September 2012 08:49:14PM *  1 point [-]

I saw Penrose diagrams of matter falling into a black hole, though I couldn’t find one of merging black holes.

I'll try to draw one and post it, might take some time, given that you need more dimensions than just 1 space + 1 time on the original Penrose diagram, because you lose spherical symmetry. The head-on collision process still retains cylindrical symmetry, so a 2+1 picture should do it, represented by a 3D Penrose diagram, which is going to take some work.

Comment author: bogdanb 02 September 2012 07:30:19AM 0 points [-]

Oh, thank you very much for the effort!

I can’t believe nobody needed to do that already. Even if people who can draw one don’t need it because they do just fine with the equations, I’d have expected someone to make one just for fun...