Pixy
Coloured shells of gas from an exploded star against a star field

Science

Cassiopeia A supernova remnant

Cassiopeia A, a supernova remnant about 11,000 light-years from Earth. Glowing shells of gas surround the centre of the exploded star.

Open the original (4,914 × 4,065 px) (opens in a new tab)

By
X-ray: NASA/CXC/SAO, NASA/JPL/Caltech/NuStar; Optical: NASA/STScI/HST; IR: NASA/STScI/JWST, NASA/JPL/CalTech/SST; Image Processing: NASA/CXC/SAO/J. Schmidt, N. Wolk, and K. Arcand
Licence
Public domain (opens in a new tab): free for any use, including commercial
Source
Wikimedia Commons (opens in a new tab)
Tags
cassiopeia, supernova remnant, astronomy, space

Credit (appreciated, not required)

Photo: X-ray: NASA/CXC/SAO, NASA/JPL/Caltech/NuStar; Optical: NASA/STScI/HST; IR: NASA/STScI/JWST, NASA/JPL/CalTech/SST; Image Processing: NASA/CXC/SAO/J. Schmidt, N. Wolk, and K. Arcand via Pixy (https://pixy.org/374153/)

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