The Earth

The Earth Did u know that our planet, Earth wasnt eternally thought of as a planet? Until the sixteenth snow when Capernicus figured out that the Earth was another planet, which revolved effective the sun, Greek astronomers thought the Earth was the center of the solar system. as well as Earth is the sole(prenominal) planet that its name didnt come out from Greek/Roman mythology. When earth was branch discovered, astronomers were only capable to study it with out spacecraft. It was not until the twentieth century that we had maps of the intact planet.

Pictures taken of the planet are act ually important, not only because they aid in weather predictions, scarce they are too very beautiful. The Earth is divided into seven layers: the crust, upper mantle, variation region, lower mantle, D layer, outer core, and internal core. The crust varies comfortably in thickness; it is thinner on a lower floor the oceans, and thicker under the continents. (Arnett1) The inner core and crust are solid, and the o...If you sine qua non to get a full essay, order it on our website: OrderCustomPaper.com

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