What Is Gravity? - Deepstash
Gravity is one of the universe's fundamental forces

Scientists know four forces - things that attract or repel one object from another. The strong force and the weak force operate only inside the centres of atoms. T...

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What Is Gravity?

space.com

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In 1687, Isaac Newton's treatise Philosophiæ Naturalis Principia Mathematica showed that every object in the universe, small and great, pulled on every other object, from a grain of sa...

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While Isaac Newton's description of gravity was good enough to detect Neptune's existence in the mid-1800s, Newton's law was not perfect. Astronomers discovered a mismatch between his l...

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Albert Einstein held that space and time together made up the universe's fabric that could stretch and compress. Einstein suggested that the shape of spacetime...

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The current description of gravity is so accurate that it has become a guide for cosmic discoveries.

American astronomers noticed in the 1960s that galaxies appear to rotate fast enough to s...

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