Earth mass
Earth mass 

Earth mass ( M E or M ⊕, where ⊕ is the standard astronomical symbol for planet Earth ) is the unit of mass equal to that of Earth. The current best estimate for Earth mass is M ⊕ =5.9722×1024 kg, with a standard uncertainty of6×1020 kg (relative uncertainty 10−4). It is equivalent to an average density of 5515 kg⋅m−3.
1 M⊕ in‎: ‎is equal to    SI base unit‎: ‎(5.9722±0.0006)×1024 kg
Unit system‎: ‎astronomy    Symbol‎: ‎M⊕

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