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Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought toward (or gravitate toward) one another, including objects ranging from atoms and photons, to planets and stars. Since energy and mass are equivalent, all forms of energy (including light) cause gravitation and are under the ...


Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun. What else does gravity do? Why do you land on the ground when you jump up instead of floating off into space? Why do things fall down when you throw them or drop them?


Gravity is the force that causes two particles to pull towards each other. Learn about gravity and find out how Newton and Einstein explain gravity.


What is gravity? Gravity is a force pulling together all matter (which is anything you can physically touch). The more matter, the more gravity, so things that have a lot of matter such as planets and moons and stars pull more strongly. Mass is how we measure the amount of matter in something. The more massive something is ...


Gravity is a force which tries to pull two objects toward each other. Anything which has mass also has a gravitational pull. The more massive an object is, the stronger its gravitational pull is. Earth's gravity is what keeps you on the ground and what causes objects to fall. Gravity is what holds the planets in orbit around the Sun ...


Mar 3, 2016 ... Gravity is about more than an apple falling from a tree, but that doesn't mean science can completely explain it … yet. Paul Sutter digs deeper into quantizing gravity.


Physics4Kids.com! This tutorial introduces the physics of gravity. Other sections include modern physics, heat, electricity, magnetism, and light.


Jul 22, 2014 ... “Gravity is effectively converting some of its travel through time into travel through space.” Got that? On different social media websites, science enthusiasts have been praising the video for demystifying an otherwise mind-boggling concept. “ The best explanation of gravity I have seen,” YouTube user Tjaart ...


People often think that there is no gravity in space; they get mixed up because there is no air in space. There is gravity in space. It gets less the further you go from the Earth or any other planet, but it is still there. It is gravity that keeps the planets in orbit; otherwise they would all float away!