Red dwarf

"A red dwarf is a small, dim star of relatively low mass.  Because of their low fuel consumption red dwarf stars have a very long lifespan (In some cases a trillion years or more).  They are the most commen form of star in the universe."A red dwarf star is a small and relatively cool star of the main sequence, either late K or M spectral type. The surfacetemperature is 3 226.85 degrees celsius. In spore red dwarfs appear either dark or bright red.