#gravitational-force
calculate How do you calculate the gravitational force between two objects?
According to Newton's law of universal gravitation, every object in the universe attracts every other object with a force that is directly... Read more
brightness_7 What is a black hole and how does it work?
A black hole is an astronomical object with an extremely strong gravitational field from which nothing, including light, can escape. It is formed... Read more
waves How do the different types of tides form and what causes them?
Tides are the periodic rise and fall of sea levels caused by the gravitational interaction between the Earth, the Moon, and the Sun. There are... Read more