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

SN 2024ggi began as a red supergiant with a mass between 12 and 15 times that of the Sun and a radius 500 times larger.

Read more on Science Daily

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

Read more on Space Scoop

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

Read more on Science Daily

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

Read more on Science Daily

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

Read more on Science Daily