More than four centuries after the brilliant star explosion, this supernova remnant still shines!
This composite image combines infrared and X-ray observations.
Through this colour code you can have an idea of what’s happening:
Green and Yellow: a hot cloud of expanding debris
Blue: the blast’s outer shockwave made of ultra-energetic electrons
Red: newly created dust and pre-existing dust
Credit: MPIA/NASA/Calar Alto Observatory
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