Sunday, 8 December 2013

A Pulsar!

A few folk have pointed out that my Crab Nebula picture contains an image of the “Pulsar” in the middle of the nebula – this is the remains of the original star that went supernova in the year 1054.  The pulsar itself was discovered in 1968.  It pulses at a rate of 30 times a second.  It is the fainter of the two stars in the middle of the cloud of rapidly expanding gas and dust:

Picture saved with settings embedded.

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