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Why is the earth not completely round?

BingMag.com Why is the <b>earth</b> not <b>completely</b> round?

You might think that earth is a perfect sphere, but this is not the case and our planet looks like a compressed ball. But why does it take on such a shape?

If you had a huge meter (measuring tape) that started from the center of the earth and reached the highest point of our planet, then you would not have encountered Mount Everest. Instead, it was the tallest peak on the other side of the world: Mount Chimborazo in Ecuador. Pushes himself up and down the ball. As a result, the equator, where Ecuador is located, is tilted outward. The earth is an Oblate instead of a Full Sphere, meaning it looks like a slightly flattened sphere.

  • Breathtaking moment "Most planets and moons," said James Tuttle Keane, a planetary scientist at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, said: They are not real spheres; "They are usually crushed in some way."

    But why aren't earth and other planets and moons perfectly round? According to Kane, this is due to something called a centrifugal force or an apparent outward force experienced by a rotating object.

    A rotating planet is a centrifugal force. Experiences. You can see it in action: If you spin on a chair or on your feet, you will feel that you are moving away from your center and your arms or legs may not be able to keep moving. Or, as Kane put it, if you sit on a horizontal spinning wheel, "a little extra force comes in and you feel like you're being pushed to the side."

    As the planets and moons rotate, so does the centrifugal force. It causes them to protrude at the equator. This effect can be very subtle, but clearer examples are Jupiter and Saturn. If you look at a glimpse of each of these gas giants, you will notice that they are slightly compressed and their equator is slightly raised.

    The crushed shape of these planets is more visible because they are the fastest The planets are orbiting the solar system. The faster something spins, the more centrifugal force affects it.

    It was Newton who first suggested that the earth is not completely round. He thought of the shape of the earth as a sphere and was right. Due to this ridge, the distance from the center of the earth to the sea level in the equator is approximately 21 km longer than the poles.

    BingMag.com Why is the <b>earth</b> not <b>completely</b> round?

    Graphic design of the dwarf planet Haumia
    Credit: Instituto de Astrofsica de Andaluca/NASA

    An extreme example of the centrifugal force acting on an object It is also the dwarf planet Haumea. The dwarf planet is located in the Kuiper Belt, a region of icy objects outside Neptune. "Haumia is about the size of Pluto, but with a full rotation of just about every four hours, it spins so fast that it 's almost oval," Kane said. Credit: NASA/DSCOVR EPIC

    Sources: Live Science, Scientific America


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