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Earth mass

An Earth mass (denoted as M?, M??? or ME, where ? and ??? are the astronomical symbols for Earth), is a unit of mass equal to the mass of the planet Earth. The current best estimate for the mass of Earth is M? = 5.9722??1024??kg, with a relative uncertainty of 10???4. It is equivalent to an average density of 5515??kg/m3. Using the nearest metric prefix, the Earth mass is approximately six ronnagrams, or 6.0??Rg.

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    An Earth mass (denoted as M?, M??? or ME, where ? and ??? are the astronomical symbols for Earth), is a unit of mass equal to the mass of the planet Earth. The current best estimate for the mass of Earth is M? = 5.9722??1024??kg, with a relative uncertainty of 10???4. It is equivalent to an average density of 5515??kg/m3. Using the nearest metric prefix, the Earth mass is approximately six ronnagrams, or 6.0??Rg.

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