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The Earth's Size


    The Earth's diameter is 12 756,2 kilometers (7 926.3 miles) and it is three times bigger than the Moon's diameter (which is 3474,8 Km or 2 159,14 miles), lsee the image below:


    Mars, the red planet, has about half of Earth's diameter (6792,4 Km or 4 220,6 miles), see the image below:

    The following video shows a size comparizon between planets, moons and stars in our galaxy:



Photos: Wikimedia (commons.wikimedia.org)

Veja a versão em português aqui: http://cosmonautax.blogspot.com.br/2012/10/tamanho-da-terra.html