ellipsoid

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Images & Videos

A three-dimensional, oval-shaped ellipsoid is shown with a grid pattern across its surface, illustrating its curved, symmetrical form.

Image shows a sketch of the Earth on graph paper with a photo of the Earth in the background. Blue arrows point to the sketch and the word FAKE? appears above in red letters.

Diagram showing the deflection of the vertical from the geoid to the ellipsoid or spheroid, with labeled lines for geoid, spheroid, rock surface, ocean, and geoid height in a geology context.

ellipsoid: Media

geometry

Videos

Image shows a sketch of the Earth on graph paper with a photo of the Earth in the background. Blue arrows point to the sketch and the word FAKE? appears above in red letters.

Earth Is Round, But Flat-Earthers Still Exist

Can we prove the Earth is round? Well, yes.

Video: Encyclopædia Britannica, Inc.

Images

A three-dimensional, oval-shaped ellipsoid is shown with a grid pattern across its surface, illustrating its curved, symmetrical form.

ellipsoid

This ellipsoid was generated by the formula x²/16 + y² + z² = 1.

Encyclopædia Britannica, Inc.

Diagram showing the deflection of the vertical from the geoid to the ellipsoid or spheroid, with labeled lines for geoid, spheroid, rock surface, ocean, and geoid height in a geology context.

geoid

Deflection of the vertical from the geoid to the spheroid.

Encyclopædia Britannica, Inc.

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