If you mean a red dwarf, then trillions of years. In fact, no red dwarf has been observed to "die".
A star does not turn into a red dwarf. A red dwarf is simply a star that has a low mass to begin with.
A small star that only gives off faint light and is relatively cool is likely a red dwarf star. These stars are much smaller and cooler than our Sun, but they are the most common type of star in the universe. Despite their dim appearance, red dwarfs can be very long-lived.
The bigger the star, the faster it dies. Super-massive stars like Betelgeuse, the red supergiant at the shoulder of Orion, probably don't exist much longer than a few hundred thousand years. Our Sun will exist for about 9 billion years before it expands into a red giant. Tiny red dwarf stars can exist for tens of billions of years or more.
Absolute magnitude refers to a measure of the real brightness of a star. In terms of absolute magnitude, a blue-violet star is classified as bright, while an orange-red star is classified as faint.
no as if red elephants exist
Red giant - then a white dwarf.
Rastaban is a binary star system in the constellation of Draco. The primary star is a yellow-white subgiant, while the secondary star is most likely a red dwarf.
A red giant star can last for tens of millions to billions of years, depending on its initial mass. The more massive the star, the shorter its lifespan as a red giant. After this stage, the star will eventually shed its outer layers and evolve into a planetary nebula.
Red giant is a type of star.
A red star is cool whereas a blue star is hot.
ratsder
It is said that in about four to five billion of years, the Sun will become a Red Giant.