An ellipse is a flat, two-dimensional closed curve with the property that the sum of the distances from any point on the curve to two fixed points (foci) is constant. An oblate spheroid, on the other hand, is a three-dimensional shape formed by rotating an ellipse about its minor axis, resulting in a symmetrical, rounded shape with a bulging equator. In essence, an oblate spheroid is a three-dimensional version of an ellipse.
An oblate spheroid.
If by "flattened" you mean "like someone took a sphere and sat on it", that would be an oblate spheroid.
Simple answer - They are sphere'sRelatively simple answer - They are oblate spheroidsComplex answer. The Earth and Moon are oblate spheroids (The Earth to a greater effect), whereas the Sun is a gaseous body so it experiences an extended oblate spheroid property.
The shape of Jupiter is actually an oblate spheroid. An oblate spheroid has flattened poles and a bulging equator. This is so because of its speed of its rotation. It completes one rotation in only 9 hours and 55 minutes. The centrifugal force generated causes the equator to bulge. the diameter of Jupiter's equator is 5400 miles (8600km) more then the diameter from pole to pole.
No, the planet Earth is not a perfect circle. It is an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator due to its rotation.
Spherical is round where oblate spheroid is more like a oval shape
You probably mean "oblate spheroid," which is the 3D analogue of an ellipse. The earth and other planets, due to the competition between rotational momentum and gravity, is an oblate spheroid. You can model an oblate spheroid by rotating an ellipse around its shorter axis, just as you can model a sphere by the rotation of a circle around any diameter.
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A three dimensional oval is simply called an egg, or more mathematically, an ovoid. A three dimensional ellipse (a more symmetric oval) is called a prolate spheroid, or oblate spheroid, depending on how the ellipse is rotated.
umm: "The Earth is round"? ------------------------------------------------ The Earth is not round - it is an oblate spheroid. ---------------------------------------------------------------------------- A (slightly) oblate spheroid seems pretty "round" to me.
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None.
You misspelled the second word. Google oblate spheroid and you'll have your answer.
The shape of the Earth is an oblate spheroid, meaning it is mostly spherical but slightly flattened at the poles and bulging at the equator due to its rotation.
A shape that is nearly a circle, that has a major and a minor axis, is called an ellipse. Like the shape of a rugby ball or an American foot ball. Also know as a prelate spheroid or an oblate spheroid. Planets orbits are eliptical.