Cassiopeia A: A Hubble Image Tour

About this video
Duration: 3 minutes, 39 seconds

Cassiopeia A is a supernova remnant: the tattered remains of a massive star that exploded. Astronomers estimate that light from the supernova would have reached Earth after the invention of the telescope, yet – mysteriously – history makes no mention of it.

Explore the science along with the scenery – Image Tours show Hubble pictures through an astronomer's eyes, pinpointing and explaining key features to add understanding to the joy of cosmic sightseeing.

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Colorful Fireworks Finale Caps a Star's Life


Tags
Astronomical, Hubble Telescope, Nebulae, Stars, Supernovae, Supernova Remnants

Credits

Publication: July 17, 2007


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