"Gravity Falls" is the original intellectual property of its creator, Alex Hirsch, and does not derive from any book or previous media. The show began airing in 2012 after Hirsch's successful pitch to the Disney Channel. More » Art & Literature

Gravity pulls objects downward, toward the Earth’s center, so anything that flies must counteract gravity’s pull. Using forward thrust and the lift provided by wings, an airplane overcomes the effects of gravity and flie... More » Science Physics Motion & Mechanics

Gravity affects weight because gravity creates weight. Objects have mass, which is defined as how much matter an object contains. Weight is defined as the pull of gravity on mass. More » Science Physics Motion & Mechanics
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Some popular 3-D Blu-ray movies as of 2015 are "Avatar," "Tron:Legacy," "Gravity," "Hugo" and "Pacific Rim." All these movies were originally filmed in 3-D for their theatrical releases. More » Art & Literature

Some of the most popular 3-D movies include "Avatar," "Gravity" and "The Lego Movie." Other popular 3-D movies include "The Avengers," "Jurassic World" and "Star Wars: The Force Awakens." More » Art & Literature

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