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A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters. A spheroid has circular symmetry. If the ellipse is rotated about its major axis, the result is a prolate … See more
The equation of a tri-axial ellipsoid centred at the origin with semi-axes a, b and c aligned along the coordinate axes is
$${\displaystyle {\frac {x^{2}}{a^{2}}}+{\frac {y^{2}}{b^{2}}}+{\frac {z^{2}}{c^{2}}}=1.}$$
The equation of a … See moreThe most common shapes for the density distribution of protons and neutrons in an atomic nucleus are spherical, prolate, and oblate spheroidal, … See more
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• "Spheroid" . Encyclopædia Britannica (11th ed.). 1911. See moreArea
An oblate spheroid with c < a has surface area
The oblate spheroid is generated by rotation about the z … See moreWikipedia text under CC-BY-SA license Earth ellipsoid - Wikipedia
An Earth ellipsoid or Earth spheroid is a mathematical figure approximating the Earth's form, used as a reference frame for computations in geodesy, astronomy, and the geosciences. Various different ellipsoids have been used as approximations.
It is a spheroid (an ellipsoid of revolution) whose minor axis (shorter diameter), w…Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 10 mins
Spheroid - Simple English Wikipedia, the free …
A spheroid is a kind of ellipsoid. [1] It is got by rotating an ellipse about one of its principal axes. This means it is an ellipsoid with two equal semi-diameters. …
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Figure of the Earth - Wikipedia
The oblate spheroid, or oblate ellipsoid, is an ellipsoid of revolution obtained by rotating an ellipse about its shorter axis. It is the regular geometric shape that …
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Oblate spheroid - Simple English Wikipedia, the free …
An oblate spheroid is a very famous shape. It is the shape of the Earth and some other planets. It is like a sphere squashed from the top so the circumference …
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Spheroid - Wikiwand
A spheroid is a kind of ellipsoid. It is got by rotating an ellipse about one of its principal axes. This means it is an ellipsoid with two equal semi-diameters.
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Spheroid Definition & Meaning - Merriam-Webster
The meaning of SPHEROID is a figure resembling a sphere; also : an object of approximately spherical shape.
Spheroid - Math is Fun
A spheroid is a "squashed sphere". Try different styles in this animation here: A spheroid can be made by taking an ellipse and rotating it about its major or minor axis. Press play to see: Volume and Area of a Sphere Calculator Geometry …
Spheroid - Wikiwand
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with …
spheroid - Wiktionary, the free dictionary
Sep 28, 2024 · spheroid (plural spheroids) A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis. UFOs are reported as being either oblate …
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