This is the first visualization of a black hole. Calculated in 1979, on a IBM machine programmed with punch cards. No screen or printer to visualize, so someone MANUALLY plotted all the dots with ink. (730×385)


This is the first visualization of a black hole. Calculated in 1979, on a IBM machine programmed with punch cards. No screen or printer to visualize, so someone MANUALLY plotted all the dots with ink. (730×385) from spaceporn

By /u/arj1985

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