Earth

The earths diameter is 7,926 miles Earth is slightly smaller when measured between the North and South Poles which gives a diameter of 7,907 miles. This because Earth bulges out a bit more around the equator than around the poles because of its rotation.

The earths core is made of mostly nickel and iron

The mantel is made up of silicon, iron, magnesium, aluminum, and more.

Lastly the crust is made up of mostly oxygen, silicon, aluminum, iron, and more.

The surface area of the moon is 5.1 x 10 km

Or the size of Hong Kong 463636.36 times

The mass of the earth is 5.97 x 10 kg

Or 3.32 x 10 blue whales (one blue whale is 200 tons)

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