Noun
English Wikipedia has an article on:supergiantWikipedia
supergiant (plural supergiants)
(astronomy) A very large star having a mass between 10 and 70 solar masses.
A companion, Rigel B, is 500 times fainter than the supergiant Rigel A and visible only with a telescope. Source: Internet
"A star set to explode", the SBW1 nebula surrounds a massive blue supergiant in the Carina Nebula Supernova searches fall into two classes: those focused on relatively nearby events and those looking for explosions farther away. Source: Internet
Distinctly reddish when viewed with the unaided eye, Antares is a red supergiant of spectral type M0.5Iab and is one of the largest and most luminous observable stars. Source: Internet
Examples: * Antares (Alpha Scorpii) is a red supergiant star in a binary system with a hotter blue main-sequence star Antares B. Antares B can therefore be termed a hot companion of the cool supergiant. Source: Internet
Antares is a supergiant star with a stellar classification of M0.5Iab. Source: Internet
IC 1101 is a supergiant elliptical galaxy in the Abell 2029 galaxy cluster located about main from Earth. Source: Internet