Superegg

File:Wireframe superegg.jpg

A wireframe representation of a superegg

The geometrical solid produced by rotating a superellipse around its longest axis. (Also sometimes called a superellipsoid.) The superegg is a member of the class of so-called "Lamé solids", named after the French mathematician who first described them.

The superegg's characteristic shape is described by this equation:

The messaging artifact discovered on Mars by the wizardly survey team is in the shape of a superegg. (AWOM)