A surface of revolution of the form
![r(phi)=a[1-esin^2phi-(3/8e^2+k)sin^2(2phi)],](/images/equations/Darwin-deSitterSpheroid/NumberedEquation1.svg) |
where 
is a second-order correction to the figure of a rotating fluid.
Darwin-de Sitter Spheroid
See also
Oblate Spheroid, Prolate Spheroid, SpheroidExplore with Wolfram|Alpha
References
Zharkov, V. N. and Trubitsyn, V. P. Physics of Planetary Interiors. Tucson, AZ: Pachart Publ. House, 1978.Referenced on Wolfram|Alpha
Darwin-de Sitter SpheroidCite this as:
Weisstein, Eric W. "Darwin-de Sitter Spheroid." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Darwin-deSitterSpheroid.html