Gravity | Definition, Physics, & Facts

physics verifiedCiteWhile every effort has been made to follow citation style rules, there may be some discrepancies.Please refer to the appropriate style manual or other sources if you have any questions.Select Citation Style FeedbackThank you for your feedbackOur editors will review what you’ve submitted and determine whether to revise the article. External Websites West Texas A and M University - Science Questions with Surprising Answers - Why is there no gravity in space? University of Massachusetts Amherst - Department of Astronomy - Gravity and Escape Velocity Tutorial Space.com - Gravity: What is it? Physics LibreTexts - Discovering Gravity LiveScience - What is Gravity? NASA - Jet Propulsion Laboratory - What is Gravity? CERN - Gravity and Zero Point Energy College of DuPage Digital Press - Conceptual Physics - Gravity Academia - Gravity Particles and the Strong Force Khan Academy - Introduction to gravity Britannica Websites Articles from Britannica Encyclopedias for elementar...