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  1. Gravity - Wikipedia

    Gravity has an infinite range, although its effects become weaker as objects get farther away. Gravity is described by the general theory of relativity, proposed by Albert Einstein in 1915, which describes …

  2. What Is Gravity? | NASA Space Place – NASA Science for Kids

    Sep 25, 2025 · The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall. An animation of gravity at work. …

  3. Gravity | Definition, Physics, & Facts | Britannica

    Sep 29, 2025 · gravity, in mechanics, the universal force of attraction acting between all bodies of matter. It is by far the weakest known force in nature and thus plays no role in determining the …

  4. What Is Gravity? Definition, Formulas, Facts - Science Notes and Projects

    Mar 4, 2025 · Learn what gravity is in physics and astronomy. Get the definition, formulas, and table of gravity on other planets.

  5. How does gravity work? | HowStuffWorks

    Sep 5, 2023 · In this article, we will answer the question, " What is gravity? " by exploring Newton's and Einstein's theories of gravity, discussing more recent views and touching on the role of gravity in our …

  6. ESA - What is gravity?

    We understand that gravity is fundamentally a purely attractive force – it can only pull, never push – and that it is generated by any object with mass. But humankind has been trying to find a better answer …

  7. How Gravity Really Works According to Modern Physics

    May 23, 2025 · In the end, gravity is not just a force that pulls objects together—it’s the story of connection, coherence, and the unity of the universe. It is the glue of the cosmos, the silent sculptor …

  8. What is gravity? | New Scientist

    Newton’s universal law of gravitation, formulated in his great work of mathematical physics, the Principia, published in 1687, was the first great work of force unification in physics.

  9. What is Gravitational Force? How Gravity Works - Selftution

    Mar 21, 2025 · Discover the fundamentals of gravitational force, Newton’s Law of Gravity, and how it shapes our universe – all broken down with simple explanations, diagrams, and real-world applications.

  10. Gravitational constant - Wikipedia

    The gravitational constant G is a key quantity in Newton's law of universal gravitation. The gravitational constant is an empirical physical constant that gives the strength of the gravitational field induced by …