Spinning 390 times a second, the "black widow" pulsar PSR J1311'3430 periodically swings its radio (green) and gamma-ray (magenta) beams past Earth in this amazing space wallpaper.
Spinning 390 times a second, the "black widow" pulsar PSR J1311'3430 periodically swings its radio (green) and gamma-ray (magenta) beams past Earth in this amazing space wallpaper.
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