OLogy: Meet the Universe's Main Attraction... Gravity

Find out why a ball thrown in the air will return to the ground. 

If you throw a ball into the air, it will return to the ground. Why?

Earth has invisible pulling power called gravity. In fact, our planet isn’t the only place with gravity. Every object in the universe — stars, planets, moons, even you—has gravity.

Gravity is a force of attraction between all objects.

Force (Gravitational), Physics

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