Question

what is the mass of an earth??

Answer 1

Earth mass (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 of 6×1020 kg (relative uncertainty 10−4).[2] It is equivalent to an average densityof 5515 kg⋅m−3.