supergiant star

American  

noun

1. Astronomy. an exceptionally luminous star whose diameter is more than 100 times that of the sun, as Betelgeuse or Antares.

---

Etymology

Origin of supergiant star

First recorded in 1925–30

Example Sentences

When combined with archival observations from the Hubble Space Telescope, the data revealed that the blast originated from a massive red supergiant star wrapped in an unexpected blanket of dust.

From Science Daily

This rare supernova, called 2023ufx, originated from the core collapse of a red supergiant star, exploded on the outskirts of a nearby dwarf galaxy.

From Science Daily

Binary stripped stars have been previously evoked to explain why a third of core-collapse supernovae contain much less hydrogen than a typical explosion of a Red Supergiant star.

From Science Daily

While seemingly small, that amount is “more than we would expect from a red supergiant star,” Jacobson-Galán says.

From Scientific American

Supernova 2023ixf may give some much-needed answers on the matter, among the other particulars of how a red supergiant star collapses and ultimately explodes.

From Scientific American