On Mon, Jul 10, 2000 at 08:02:16PM -0700, Eric G . Miller wrote:
> It is approximately round (spherical). A better approximation is made
> with an ellipsoid (rather than a spheroid).
The Clarke Geoid of 1866 (perhaps our first modern geoid) was an ellipsoid.
Physically though, earth resembles more an oblate spheroid.
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