Our beautiful big round ball of a planet is not, in fact, a perfect sphere.
Our beautiful big round ball of a planet is not, in fact, a perfect sphere.
As it spins about on its axis, whirling around the Sun, rotation causes it to bulge at the equator and flatten at the pole… [+5528 chars]
As it spins about on its axis, whirling around the Sun, rotation causes it to bulge at the equator and flatten at the pole… [+5528 chars]