Question

what is geoid? why it is called geoid? ​

Answer 1

Answer:

The geoid is a shape like the surface of the Earth. ... It is often described as the true physical shape of the Earth. The study of Earth's measurements and shapes is called geodesy. For many practical purposes, a simpler shape is used because that makes calculations easier. That shape is called a reference ellipsoid.

Answer 2

Answer:

The geoid is a shape like the surface of the Earth. ... It is often described as the true physical shape of the Earth. The study of Earth's measurements and shapes is called geodesy. For many practical purposes, a simpler shape is used because that makes calculations easier. That shape is called a reference ellipsoid.