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

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

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.

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