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Solar mass



         


In astronomy, the solar mass is a unit of mass used to express the mass of stars and larger objects such as galaxies. It is equal to the mass of the Sun. Its value and conventional symbol are:

<math>M_\bigodot=1.9891\times10^{30}\hbox{ kg}<math>

The solar mass is 333,000 times the mass of the Earth.

Uncertainties over the gravitational constant make the calculation of the solar mass equally imprecise.

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