supernova remnant

noun

Astronomy.

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

Example Sentences

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

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

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The most noticeable colors in Webb's newest image are clumps represented in bright orange and light pink that make up the inner shell of the supernova remnant.

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

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

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