The mass of the sun used as a unit of mass, equal to 1.989 × 10³⁰ kg.
〔天文〕太阳质量
Example sentencesExamples
Astronomers have confirmed that black holes weighing billions of solar masses lie at the heart of every galaxy and believe that some galaxies might contain pairs of black holes.
Those first generations of stars were made up of stars of many hundred solar masses.
Around 73 percent of the Sun is hydrogen, 25 percent is helium, and all the other elements added together comprise less than 2 percent of the solar mass.
However, most neutron stars have a mass of about 1.35 solar masses, albeit with interesting exceptions.
But in our own solar system - if that's a typical example - the mass of everything other than the Sun adds up to less than two-tenths of 1 percent of the solar mass.
Definition of solar mass in US English:
solar mass
noun
Astronomy
The mass of the sun used as a unit of mass, equal to 1.989 × 10³⁰ kg.
〔天文〕太阳质量
Example sentencesExamples
However, most neutron stars have a mass of about 1.35 solar masses, albeit with interesting exceptions.
Those first generations of stars were made up of stars of many hundred solar masses.
Astronomers have confirmed that black holes weighing billions of solar masses lie at the heart of every galaxy and believe that some galaxies might contain pairs of black holes.
Around 73 percent of the Sun is hydrogen, 25 percent is helium, and all the other elements added together comprise less than 2 percent of the solar mass.
But in our own solar system - if that's a typical example - the mass of everything other than the Sun adds up to less than two-tenths of 1 percent of the solar mass.