释义 |
solar mass
solar mass n (Units) an astronomical unit of mass equal to the sun's mass, 1.981 × 1030 kilograms. Symbol: M⊙ solar mass
solar mass Symbol: MO. The astronomical unit of mass. It is equal to the mass of the Sun, 1.9891 × 1030 kilograms. See also solar units.AcronymsSeeSM |