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Gravity is the mutual attraction between all masses in the universe, and it determines the motion of planets, stars, galaxies and light. Learn about the history of gravitational theory, from ancient scholars to Einstein's general relativity, and the effects of gravity on Earth and the cosmos.
Learn how Newton derived his law of gravitation from empirical observations and mathematical analysis, and how it unified the phenomena of gravity on Earth and in the universe. Explore the history, form, limitations, and extensions of this classical mechanics law.
3 lut 2023 · Learn about the gravitational force that attracts all objects with mass, its universal law, and its properties. Find out how to calculate the force between Earth and Moon, and see examples of gravitational force in daily life.
23 paź 2024 · Learn about the universal law of gravitation that describes the attractive force between any two particles of matter. Explore how Newton used it to explain the motions of the planets and their moons, and how tides are caused by the gravitational pull of the Sun and the Moon.
25 wrz 2024 · Learn about the universal force of attraction acting between all bodies of matter, its history and theory, and its applications and effects. Explore the concepts of gravitational fields, general relativity, gravitational lensing, and more.
11 paź 2024 · Learn how gravity is the force that pulls objects toward each other and keeps the planets in orbit around the sun. Explore how gravity affects light, mass, and Earth's climate with NASA's videos and images.
11 sie 2021 · Learn about the history and formula of gravitational force between two point masses or collections of mass. Explore the Cavendish experiment that determined the universal gravitational constant G and its applications.
