ESA - GOCE - Looking into the forces that shape our planet - images

Clarified by Isaac Newton in the 17th century, 

Building a picture of the gravity field

Clarified by Isaac Newton in the 17th century, gravity is a fundamental force of nature. Everything that has mass is pulled by gravity. As Earth is not a perfect sphere and its interior has layers and zones of different density, gravity varies around the globe.

ESA - GOCE - Looking into the forces that shape our planet - images