supernova remnant

American  

noun

Astronomy.

1. an expanding shell of gas, with accompanying strong radio and x-ray emissions, produced by a supernova.

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Example Sentences

A team of researchers have found evidence in a Supernova Remnant that shows a White Dwarf had exploded before reaching the mass limit.

From Space Scoop

Because the supernova remnant is still visible, the magnetar left behind ought to be relatively young—and still magnetically powerful.

From Science Magazine

Images of the distant supernova remnant shows what Fransson calls “a ring of pearls” encircling a cloud of dust.

From Seattle Times

In actuality, Baby Cas A is located about 170 light-years behind the supernova remnant.

From Science Daily

The Cas A supernova remnant is located 11,000 light-years away in the constellation Cassiopeia.

From Science Daily