red supergiant

1. An extremely large red giant star with a minimum of 15 solar masses. The best known red supergiant is Betelgeuse, with a luminosity about 10,000 times that of the Sun. When a supergiant collapses into a supernova, it may result in either a neutron star or a black hole.

Example Sentences

That's the red supergiant Betelgeuse - one of the largest dying stars in the Milky Way!

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"It's the reddest, dustiest red supergiant that we've seen explode as a supernova," Suresh said.

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The deluge of dust could help explain why astronomers have struggled to find red supergiant progenitors.

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"The infrared wavelengths of our observations overlap with an important silicate dust feature that's characteristic of some red supergiant spectra," Kilpatrick said.

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"This tells us that the wind was very rich in carbon and less rich in oxygen, which also was somewhat surprising for a red supergiant of this mass."

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