Earth's Shape

Earth’s Shape

Earth may look flat from where we stand, but it is actually an oblate spheroid—meaning it is mostly round but slightly flattened at the poles and bulging at the equator. Scientists have gathered evidence for centuries, from astronomical observations to satellite images, to prove Earth's shape.

The Eart...

At first glance, the ground seems flat, but photos from space, like the famous “Blue Marble” image by the Apollo 17 shuttle, show it to be round.

Ancient Greeks figured this out long before space travel. They observed Earth's curved shadow on the Moon during a lunar eclipse, proving its shape.

Galileo’s observations confirmed that pl...