太たい陽よう質しつ量りょう

noun

solar mass

Astronomical unit of mass equal to the mass of the Sun, used to express the mass of stars, galaxies, and other celestial bodies.

• この星ほしの質しつ量りょうは太たい陽よう質しつ量りょうの約やく10倍ばいです。

  The mass of this star is about 10 solar masses.