What is gravity?
According to the general theory of relativity, gravity can be understood as bends and curves in the fabric of space-time that affect the motions of galaxies, stars, planets, and even light.
Anything with mass makes a dent in space-time, causing objects to be attracted to each other.
It is the force of attraction that draws two objects together. Its strength increases along with the masses of the two objects, but decreases at a rate of the square of the distance between them.
That means that if the Moon were twice its current distance from the Earth, the gravitational tug between the two would be just one fourth of what it is now.
Gravity turns out to be the weakest of the fundamental forces of nature, especially at the molecular and atomic scales.
Gravity works across infinite distances, making it responsible for the formation of the universe.
The legend has it that Isaac Newton’s idea of gravity came about as a result of observing an apple fall from a tree.
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Ask Me What are the four fundamental forces of nature that govern everything that happens in the universe? For centuries, scientists have been trying to describe the forces that describe interactions in the universe on the largest and smallest scales, from planets…

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