1 E21 m²
To help compare sizes of different surface areas, we list here areas of the order of 1021 square metres, i.e. those between 1 quadrillion km2 and 10 quadrillion km2. See also areas of other orders of magnitude.See also: Orders of magnitude
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1 E21 m²To help compare sizes of different surface areas, we list here areas of the order of 1021 square metres, i.e. those between 1 quadrillion km2 and 10 quadrillion km2. See also areas of other orders of magnitude.See also: Orders of magnitude 
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