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    By The Numbers

    Earth's Size

    • Volume: 6.73 x 1011 cubic miles (1.083 x 1012 km3)
    • Radius: 3,959 miles (6,371 km)
    • Diameter: 7,918 miles (12,742 km)
    • Surface Area: 1.97 x108 square miles (5.1 x 108 km2)
    • Mass: 5.972 x 1024 kg

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