Spherical Earth - Wikipedia
Figure and Gravity Figure of a planet (Earth) Geoid Gravity field - ppt video online download
How Strong is the Force of Gravity on Earth? - Universe Today
Mapping mountains from space with GOCE
Physics - Spacecraft Separation Measured to the Nanometer
Gravity and Shape of the Earth
Scientists Intrigued by Gravity Hole at Bottom of Ocean
Gravity of the Earth Gravitational acceleration a distance r from a sphere of density ρ is This result is independent of radial density variations. - ppt video online download
EART163 Planetary Surfaces Francis Nimmo. Course Overview How did the planetary surfaces we see form and evolve? What processes are/were operating? Techniques. - ppt download
How the Moon's Gravity Influences Earth