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AsteriaStar
Deep-sky object class · e.g. The Crab Nebula (M1)

Supernova Remnant

The expanding cloud of debris left behind when a star explodes as a supernova, sweeping up and shock-heating the surrounding interstellar medium. Supernova remnants seed the galaxy with heavy elements, accelerate cosmic rays, and — like the Crab — can harbour the neutron star born in the collapse.

Highlights

  • The shock-heated wreckage of an exploded star — e.g. the Crab

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.