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How quickly does the Crab pulsar flash?
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Supernova remnant
Detail of the Cygnus Loop.
This nebula is the product of a supernova explosion; in this section, the blast wave has encountered an area of dense interstellar gas, creating turbulence in the wave and causing it to glow. The picture is a composite of three images taken by the Hubble Space Telescope.
The Crab pulsar flashes at a rate of 30 times per second. This rapid pulsing occurs across multiple wavelengths, including radio, visible light, X-rays, and gamma rays.1