the type of star that is in the gemini constellation is pollux (he was immortal), and custor (mortal), wasat, and last but not least alhena. and to be helpfu te magnitude is +1.2
Gemini is a constellation, not a single star. The constellation contains 80 stars which appear in the Bayer/Flamsteed catalogues.
Alhena is the traditional name of star Gamma Geminorum and it is the second brightest star in the constellation Gemini, about 109 light years from the Earth , having Apparent visual magnitude of 1.9 .
You can learn about the Gemini constellation online at the Wikipedia. Once on the website, type "Gemini (constellation)" into the search field at the top of the page and press enter to bring up the information.
NGC 2371-2 (aka NGC 2371 or NGC 2372) is a dual lobed planetary nebula found in the constellation of Gemini.
Libra is constellation, not a star.
The surface temperature of the Pollux star is 4,500 K
Cassiopeia is a constellation not a single star.
Cassiopeia is a constellation not a single star.
It is a [[wiki/G-type star|G-type]] [[wiki/Supergiant|supergiant]] ([[wiki/Yellow supergiant|yellow supergiant]]) [[wiki/Star|star]] in the [[wiki/Constellation|constellation]] aquarius.
Ursa Minor is a constellation not a star
Caph is a beta star.
Pisces is a constellation, not a star. One of the prominent stars in Pisces is Fomalhaut, also called "the fish's mouth".