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Cassiopeia A Supernova Remnant

Zoom into the supernova remnant known as Cassiopeia A. The new Hubble image shows the complex and intricate structure of the star's shattered fragments. It is the youngest known supernova remnant in the Milky Way, and is located in the constellation Cassiopeia.
  • Release Date
    August 29, 2006
  • Science Release
    Cassiopeia A – The Colorful Aftermath of a Violent Stellar Death
    Read the release
  • Credits
    NASA, ESA, and M. Kornmesser (ESA)

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    mp4 (10.64 MB)

Related Images & Videos

Filaments that are colored green, red, and blue form a loose, open circle at the center.

Supernova Remnant Cassiopeia A – December 2004

A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and...

Filaments that are colored green, red, and blue form a loose, open circle at the center.

Supernova Remnant Cassiopeia A – March 2004

Image of the supernova remnant Cassiopeia A (Cas A) taken with the Hubble Space Telescope Advanced Camera for Surveys in March 2004.

3D Zoom into Enhanced Image of Cas A

3D Zoom into Enhanced Image of Cas A

3-D zoom into an enhanced image of supernova remnant Cassiopeia A shows its broken ring of bright filamentary and clumpy stellar ejecta. The various colors of the gaseous shards indicate differences in chemical composition.

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Last Updated
Mar 14, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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