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Darwin-de Sitter Spheroid

A Surface of Revolution of the form

r(\phi)=a[1-e\sin^2\phi-({\textstyle{3\over 8}}e^2+k)\sin^2(2\phi)],

where $k$ is a second-order correction to the figure of a rotating fluid.

See also Oblate Spheroid, Prolate Spheroid, Spheroid


Zharkov, V. N. and Trubitsyn, V. P. Physics of Planetary Interiors. Tucson, AZ: Pachart Publ. House, 1978.

© 1996-9 Eric W. Weisstein