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Gravity

2:53

What is Gravity? | Physics | Gravitation | Don't Memorise

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Gravity Explained Simply

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Defining Gravity: Crash Course Kids #4.1

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Neil deGrasse Tyson: What Is Gravity?

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Gravity | The Dr. Binocs Show | Learn Videos For Kids

Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward one another. On Earth, gravity gives weight to physical objects, and the Moon's gravity causes the ocean tides. The gravitational attraction of the original gaseous matter present in the Universe caused it to begin coalescing, forming stars – and for the stars to group together into galaxies – so gravity is responsible for many of the large scale structures in the Universe. Gravity has an infinite range, although its effects become increasingly weaker on farther objects.
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  • History of gravitational theory 

  • Specifics 

  • Anomalies and discrepancies 

  • Alternative theories