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Carl Sagan’s Pulsar Map Relative position of the Sun to the center of the Galaxy and 14 pulsars with their periods denoted. The lengths of the lines show the relative distances of the pulsars to the Sun. ..... (I'd love this as a tattoo on the side of my thigh. I'm a huge astrophysics nerd, and this is a gorgeous piece of geometry, physics and astronomy all rolled into one!)