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| | | Space on Mar 17, 2014

What is a pulsar?

A pulsar is a neutron star that emits beams of radiation that sweep through Earth’s line of sight. Cool video from NASA!

A pulsar is a rapidly spinning neutron star which is the small, incredibly dense remnant of much more massive star. A teaspoon of matter from a neutron star weighs as much as Mount Everest. Check out this cool video from NASA Astrophysics.