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Solar mass

From Biocrawler, the free encyclopedia.

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, about two nonillion kilograms. Its value and conventional symbol are:

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

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.

See also

ca:Massa solares:Masa solar

fr:Masse solaire it:Massa solare ja:太陽質量 nl:Zonmassa sl:Sončeva masa sv:Solmassa

Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Solar_mass (http://en.wikipedia.org/wiki/Solar_mass) version history (http://en.wikipedia.org/w/index.php?title=Solar_mass&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License) CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)

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