Astronomers observe a rapidly spinning "black widow" pulsar in unprecedented detail, spotting two regions just 12 miles apart from a distance of 6,500 light-years. That’s equivalent to seeing a flea on the surface of Pluto.

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Astronomers observe a rapidly spinning "black widow" pulsar in unprecedented detail, spotting two regions just 12 miles apart from a distance of 6,500 light-years. That’s equivalent to seeing a flea on the surface of Pluto.