Tuesday, October 18, 2011

Earth Planet


           This planet is the third one from the sun, the distance from the sun is 149,597,870.7km and the mass is 5.97428*1024 .The diameter of the earth is 12756.2km , the rotation is about 24 hours and the revolution is 1 year, in this plant is only 1 moon and this is a terrestrial planet.


             The planet is home to millions of species, including humans. Earth's biosphere has significantly altered the atmosphere and other abiotic conditions on the planet, enabling the proliferation of aerobic organisms as well as the formation of the ozone layer which, together with Earth's magnetic field, blocks harmful solar radiation, permitting life on land.


              This planet has plate tectonics that keep the planet comfortable, this is the crust of the earth broken up into regions. The 70% of the earth's surface is covered in water. Earth is almost a sphere, the Earth atmosphere extends out to 10,000km.

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