Puppis A

Puppis A

See Puppis.

Puppis A

[′pəp·əs ′ā]
(astronomy)
An extended, nonthermal radio source, the remnant of a supernova that exploded about 10,000 years ago, about 1.8 kiloparsecs (3.5 × 1016 miles or 5.6 × 1016 kilometers) from the earth.
References in periodicals archive ?
In the case of the Puppis A supernova remnant, the unusual chemistry and apparent youth of a distinctive pattern of faint filaments near the remnant's center suggest a second supernova may have exploded within the original expanding shell of gas some 3,000 years later.
Astronomers have long suspected that the Puppis A supernova remnant might contain a neutron star.
Carina also inherited Argo's Beta star, leaving Gamma Velorum and Zeta Puppis as the brightest stars in their respective constellations.