This gravity disparity is largely due to that equatorial bulge creating non-uniform distances from points on the planet's surface to center of the Earth, and to the fact that the Earth spins.
The Earth is at least 4.54 billion years old, and in that time span has undergone profound change. But what do we really know about our own planet? Click through and find out more about our unique ...
Narrator: 4 and a half billion years ago, clouds of cosmic dust and gas which were orbiting the Sun collided into one another, creating the Earth, our planet, the home of mankind. It spins at 1000 ...
Deforestation is a very destructive process that threatens the health of our planet and its inhabitants ... Rainforests in these regions cover just 2% of Earth's total surface area and yet ...