Rosy Supernova Remnant

Puppis A
Puppis A Supernova Remnant by Wide-field Infrared Survey Explorer (WISE)
Image Credit: NASA / JPL-Caltech / UCLA

NASA has released images of the Supernova Remnant known as Puppis A. The massive star used up its hydrogen fuel and light from the explosion reached Earth about 3,700 years ago.

The Wide-field Infrared Survey Explorer (WISE), captured these images. As the star exhausted its fuel, it shed layers of gas and dust into the interstellar medium. The subsequent explosion and its shock wave are heating the gas and dust, creating the beautiful red glow seen in the image.

The green dust and gas in front of the rosy nebula are the result of an earlier supernova that exploded about 12,000 years ago. The Vela supernova remnant is about four times closer to Earth than is Puppis A.

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