Unknown pleasures
This famous Joy Division cover artwas originally published as a green-white image in”The Nature of Pulsars” by Jerry Ostriker,Scientific American 224, #1, Jan 1971, page 53.It shows 80 successive pulses of the first pulsarobserved, cp1919 stacked on top of one anotherusing the average period of 1.33730 seconds.
