Dark Ranger (TM) Postcard - Crab Supernova Remnant (M1)
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On July 4th, 1054 A.D., Chinese astronomers beheld a 2nd Sun shining in the daytime sky — for 3 weeks! It remained visible at night until 1065 A.D. They had witnessed the implosion and explosion of a supernova, 6500 ly away. In the 1700s, the remnant, a debris field, was rediscovered with telescopes. Its spinning core, a pulsar, continues to illuminate this star death nebula. Life is lucky supergiant stars are rare. Their cataclysmic deaths are only beautiful from a safe distance of 200+ ly.
