supergiant star

noun

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

Word History and Origins

Origin of supergiant star¹

First recorded in 1925–30

Example Sentences

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

To be so far away and still appear so bright means that Deneb is a beast: it’s a huge supergiant star that’s easily 100 times the size of the sun and likely twice as big as that estimate.

From Scientific American

Even if you don’t know it by name, the red supergiant star Betelgeuse is one of the most familiar sights in the heavens above—a gleaming ruddy dot at the shoulder of the constellation Orion.

From Scientific American