Earth


===Earth is the third plant from the sun. It is the 5th largest of the eight plants on the solar system and the largest of the territorial planted, (non-gas planets) in the solar system in terms of diameter, mass and density. Home to millions of species, including humans. Earth is the only place in the universe where life is know to exist. the plant formed 4.54 billion years ago and life appeared on its surface within a billion yearsFrom the perspective we get on Earth, our planet appears to be big and sturdy with an endless ocean of air. === ===From space, astronauts often get the impression that the Earth is small with a thin, fragile layer of atmosphere. For a space traveler, the distinguishing Earth features are the blue waters, brown and green land masses and white clouds set against a black background. ===

Earth is the only planet in the solar system known to harbor life.
===Our planet's rapid spin and molten nickel-iron core give rise to an large magnetic field, which, along with the atmosphere, shields us from nearly all of the harmful radiation coming from the Sun and other stars. Earth's atmosphere protects us from meteors, most of which burn up before they can strike the surface. === ===Many dream of traveling in space and viewing the wonders of the universe. In reality all of us are space travelers. Our spaceship is the planet Earth, traveling at the speed of 108,000 kilometers (67,000 miles) an hour. Earth is somewhere where people live. http://www.solarviews.com/eng/earth.htm ===