The Crab nebula is the shattered remnant of a massive star that ended its life in a massive supernova explosion. Nearly a thousand years old, the supernova was noted in the constellation of Taurus by Chinese astronomers in the year 1054 A.D.
In this infrared view from Spitzer, the blue-white region traces the cloud of energetic electrons trapped within the star's magnetic field. The red features follow the well-known filamentary structures that permeate this nebula.
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