Solar Mass

The mass of the Sun is often used as a convenient unit for expressing the mass of stars, galaxies and other celestial objects.

SOHO Sun
Credit: SOHO (ESA and NASA)

The solar mass is:

M = (1.989±0.004) x 1030 kg

This is about 333,000 times the mass of the Earth.


Study Astronomy Online at Swinburne University
All material is © Swinburne University of Technology except where indicated.