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red supergiant
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
"It's the reddest, dustiest red supergiant that we've seen explode as a supernova," Suresh said.
The deluge of dust could help explain why astronomers have struggled to find red supergiant progenitors.
"The infrared wavelengths of our observations overlap with an important silicate dust feature that's characteristic of some red supergiant spectra," Kilpatrick said.
"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."
"For multiple decades, we have been trying to determine exactly what the explosions of red supergiant stars look like," said Northwestern's Charlie Kilpatrick, who led the study.
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