紅巨星
紅巨星
紅巨星
hongˊ juˋ xing ˉ
Red giant | A low or intermediate-mass star (born with a mass between about 0.5 and 5 Suns) in an advanced phase of stellar evolution, exhibiting high luminosity and low surface temperature
巨星 juˋ xingˉ
Giant star, Evolved or older stars that have exhausted their hydrogen fuel and that are brighter and have a larger radius than main sequence stars of the same temperature