What is the diameter of the earth in kilometers

What is the Diameter of Earth?

what is the diameter of the earth in kilometers

How Many Miles Is It Around The Earth?

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Earth is the third planet from the Sun and the only astronomical object known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4. Earth orbits around the Sun in During this time, Earth rotates about its axis about Earth's axis of rotation is tilted with respect to its orbital plane, producing seasons on Earth.

For those people who have had the privilege of jet-setting or traveling the globe, its pretty obvious that the world is a pretty big place. But to complicate matters a little, the diameter of Earth i. Since the Earth is not a perfect sphere, it has a different diameter when measured around the equator than it does when measured from the poles. As a result, the latest measurements indicate that the Earth has an equatorial diameter of 12, km mi , and a polar diameter of In short, objects located along the equator are about 21 km further away from the center of the Earth geocenter than objects located at the poles.

The crew of Apollo 17 took this photograph of Earth in December while their spacecraft was traveling between the Earth and the Moon. The orange-red deserts of Africa and Saudi Arabia stand in stark contrast to the deep blue of the oceans and the white of both clouds and snow-covered Antarctica. In B. Eratosthenes used Aristotle's idea that, if the Earth was round, distant stars in the night sky would appear at different positions to observers at different latitudes. Eratosthenes knew that on the first day of summer, the Sun passed directly overhead at Syene, Egypt. At midday of the same day, he measured the angular displacement of the Sun from overhead at the city of Alexandria - stadia away from Syene.

Earth radius is the distance from the center of Earth to a point on its surface. Earth radius is a term of art in astronomy and geophysics and a unit of measurement in both. Earth's radius can be defined in different ways because Earth is not a perfect sphere. The surface to which a radius extends is commonly chosen to be on an ellipsoid representing the shape of Earth. Like the surface, what point gets used for the center of Earth is also a matter of definition and therefore contributes to the diverse ways of defining Earth's radius. Many other ways to define Earth radius have been described.

Earth, the third planet from the sun, is the fifth largest planet in the solar system; only the gas giants Jupiter, Saturn, Uranus and Neptune are bigger. Earth is the largest of the terrestrial planets of the inner solar system, bigger than Mercury, Venus and Mars. But how big is the Earth, exactly? However, Earth is not quite a sphere. The planet's rotation causes it to bulge at the equator.


How Big Is Earth?


Because of this, the diameter of the Earth at the equator is about 43 kilometers ( 27 mi) larger than the pole-to-pole diameter. As a result, the.
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  1. Agenor C. says:

    The radius of Earth at the equator is 3, miles (6, kilometers), according to NASA's Goddard Space Flight Center. However, Earth is not.

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