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supernova remnant

American  

noun

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Science Magazine • Dec. 3, 2024

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

From Seattle Times • Feb. 22, 2024

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

From Science Daily • Dec. 12, 2023

Moffat guesses the supernova remnant might instead stall out as a neutron star—the last stop before a collapsing star reaches a black hole’s ultimate oblivion.

From Scientific American • Mar. 17, 2023

But despite the close agreement in position Helfand and Long do not insist that the gamma ray outburst is associated with the supernova remnant.

From "Cosmos" by Carl Sagan