HUBBLE ATLAS
Cygnus Loop: Blast Wave from a Stellar Time-Bomb — image from the Hubble Space Telescope

Nebulae

Cygnus Loop: Blast Wave from a Stellar Time-Bomb

November 29, 1995 · NASA

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High speed gas from a supernova explosion slams into dark cooler clouds of interstellar material. Shocked and heated by this tidal wave of energy, the clouds glow in bright, neon-like colors. (Image Released: February 1995)