New What Is The Actual Shape Of The Earth
Background. Mostly the earth is a sphere now, its specific real shape can be considered as a rotational ellipsoid or oblated ellipsoid. As countless photos from space can attest, earth is round—the blue marble, as astronauts have affectionately dubbed it.
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But shape has a specific meaning, too—it's not just a name for circles, squares, and triangles. It does not in any way, shape (haha), or form represent the actual shape of earth. Appearances, however, can be deceiving.
Appearances, however, can be deceiving.
In fact the distance of the earth's center to sea the centrifugal forces due to the rotation of a planet cause it to have a difference in it's equatorial and polar radii. The expression figure of the earth has various meanings in geodesy according to the way it is used and the precision with which the earth's size and shape is to be defined. Scientists believe earth and its moon formed around the same time as the rest of the solar system. These layers are both physically and chemically different.