28 gen 2009 anni - Earth

Descrizione:

Earth is the thrid from the Sun and is the only planet that contains life, ocean bodies of liquid water, and free oxygen. Earth was classified as a Terrestrial planet and it has one moon. It takes Earth 24 hours to spin on its axis and 365 days to orbit around the Sun. Earth is 1 AU from the Sun. Earth's gravity attracts other objects in space. Earth's avarage temeprature is 58.3 degrees Fahrenheit.

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