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Crab Nebula

The Crab Nebula (catalogue designations M1, NGC 1952) is a supernova remnant in the constellation of Taurus.

The nebula contains a pulsar in its centre which rotates thirty times per second, emitting pulses of radiation from gamma rays to radio waves.

Note:   The above text is excerpted from the Wikipedia article "Crab Nebula", which has been released under the GNU Free Documentation License.
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November 25, 2015

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