Gravity of Earth - Wikipedia

Orbital mechanics - Wikipedia

Planet Earth facts and information

What makes air or atmosphere attached to the Earth? - Quora

The European Physical Journal A (EPJ A)

What is the acceleration that Earth experiences due to your gravitational pull? - Quora

How does the value of gravity vary at different places and at different distances from the surface of the earth? - Quora

Earth - Wikipedia

Why is gravity zero at the centre of earth? - Quora

Earth - Wikipedia

What is twenty-times the gravity of Earth? - Quora

Hill sphere - Wikipedia

Scientists Crack Mystery of Enormous Gravity Hole in the Indian Ocean

Solved 4: Mass of the Sun Earth is orbiting the sun, but how

Where is the value of acceleration due to gravity greater, at the poles or at the equator? Why? - Quora

Earth - Planet - Halopedia, the Halo wiki