Supernova Remnant

A supernova remnant is the structure resulting from the explosion of a star in a supernova. The supernova remnant is bounded by an expanding shock wave, and consists of ejected material expanding from the explosion, and the interstellar material it sweeps up and shocks along the way. There are two common routes to a supernova: either a massive star may run out of fuel, ceasing to generate fusion energy in its core, and collapsing inward under the force of its own gravity to form a neutron star or a black hole; or a white dwarf star may accrete material from a companion star until it reaches a critical mass and undergoes a thermonuclear explosion. In either case, the resulting supernova explosion expels much or all of the stellar material with velocities as much as 10% the speed of light. These speeds are highly supersonic, so a strong shock wave forms ahead of the ejecta.

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Dazzling imagery of supernova remnant holds clues about star's death (video)

Astronomers Determine Age of Supernova Remnant in Large Magellanic Cloud

A new Australian supercomputer has already delivered a stunning supernova remnant pic

A new Australian supercomputer has already delivered a stunning supernova remnant pic

Stunning Image of Supernova Remnant Processed by New Australian Supercomputer

Supernova Remnant Cassiopeia A is Lopsided

ASKAP Finds Rogue Supernova Remnant near Large Magellanic Cloud

Abell 85 - Supernova Remnant in Cassiopeia [OC]

New supernova remnant detected by astronomers

Stunning supernova remnant looks like Pac-Man gulping down stars

Stunning supernova remnant looks like Pac-Man gulping down stars

An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen

A gargantuan supernova remnant looks 40 times as big as the full moon

Gigantic Supernova Remnant Lurking in Space Is Largest Discovery of Its Kind

Largest supernova remnant ever discovered with X-rays

eROSITA X-Ray Telescope Spots Enormous Supernova Remnant

Astronomers Finally Find Neutron Star in Famous Supernova Remnant

A New Supernova Remnant Found from an Exploding White Dwarf Star

Chandra Finds Rare Supernova Remnant in Milky Way’s Center

Hubble Observes Young Supernova Remnant in Small Magellanic Cloud