Earth is the part of our solar system and it is the only planet where life exist.
So we all have curiosity that what is the shape of earth.
If we look around us, the earth looks flat.
Even before the middle ages, it is believed that earth is flat.
first theory or flat earth concept is
The flat Earth concept persisted till about 300 years ago.
In fact, people used to think that if they sailed too far in one direction, they would fall off the edge of the Earth! Pythagoras was the first person to talk about the Earth being spherical.
A practical demonstration of Earth’s sphericity was achieved by Ferdinand Magellan’s expedition’s circumnavigation.
many people still believed it is flat, but some theories proved that shape of the earth is sphere.
Today, after many research we know that the Earth is not a perfect sphere. It is slightly flattened at the poles, and bulges at the equator.
First, Sir Isaac Newton claimed that the earth was not spherical, but the earth was oval in shape.