Crab nebula (M1), Hubble Space Telescope image. This nebula is the remnant of a supernova that lies 6, 500 light-years from Earth. At its centre is the remains of the star's core, which has formed a pulsar, or neutron star, that rotates 30 times a seconds and emits regular pulses of radiation. The nebula's shape is caused by a complex interplay of the pulsar, a fast-moving wind of particles coming from the pulsar, and material originally ejected by the supernova explosion and by the star itself before the explosion. Image obtained in November 2012. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / STScI / ESA / NASA |
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