ellipsoid

Table of Contents

Introduction References & Edit History Related Topics

Images & 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.

Read Next

bunch of numbers

Unusual Counting Systems

number zero, 0 balloon

Is Zero an Even or an Odd Number?

Discover

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

airplane in flight (plane, aircraft, flying)

7 Puzzling Plane Disappearances

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet

Major Mass Extinctions

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

Close up of praying mantis walking on stone ground against a blurred background in Japan

6 Animals That Eat Their Mates

Normandy Invasion: Omaha Beach. World War II. D-Day. Infographic. SPOTLIGHT VERSION

Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944

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

ellipsoid

ellipsoid

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

Encyclopædia Britannica, Inc.

geoid

geoid

Deflection of the vertical from the geoid to the spheroid.

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: