I stacked a drawing, a photo, and ten computer simulations of black holes together. This is the result. (The blue spots are from the first computer simulation done on an IBM7040 with punchcards in 1978. The photo is of the black hole in M78.)

I stacked a drawing, a photo, and ten computer simulations of black holes together. This is the result. (The blue spots are from the first computer simulation done on an IBM7040 with punchcards in 1978. The photo is of the black hole in M78.)