The answer to this question is yes. It can vary, but not very much. Yet, the red giant is the coolest star.
The biggest star - VY Canis Majoris IS in a red supergiant phase and will explode as a massive supernova.
A red giant star.
Red giant is a type of star.
Yes, UY Scuti is a red supergiant star, which is a type of star that is larger and brighter than a red giant star.
Betelgeuse is a red giant.
Its justa red giant or supergiant
A red giant is a very luminous star (because of its great size) but has a cool surface temeperature. Giants are the second biggest stars. Super giants are the largest.
Red giants. By the way, what if it was a white star.
Dubhe is not a red giant but rather a subgiant star. It is the brightest star in the Big Dipper asterism and is classified as an evolved F-type subgiant star.
A red giant, when a main sequence star begins fusing helium into carbon in the star's core. When our Sun becomes a red giant, in another 4 billion years or so, it will expand to consume Mercury and Venus at least, and possibly the Earth as well.
It is a Red Giant.
The biggest star in OUR Solar System is the Sun... Yes, the big hot orange, yellow and red thing that gives our Earth light.