Question

what Is red dwarf and describe it's energy

Answer 1

A red dwarf (or M dwarf) is a small and cool star on the main sequence, of M spectral type. Red dwarfs range in mass from about 0.075 to about 0.50 solar mass and have a surface temperature of less than 4,000 K. Sometimes K-type main-sequencestars, with masses between 0.50-0.8 solar mass, are also included.