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Every particle of matter attracts other particles with a particular force, called the gravitational force. Objects with more mass have a higher gravitational force.

Gravity - Wikipedia

en.wikipedia.org/wiki/Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought ... the reason that objects with less mass may fall slower in an atmosphere. Galileo's work set the sta...

How does gravity work? | HowStuffWorks

science.howstuffworks.com/environmental/earth/geophysics/question232.htm

Without gravity, you'd float off into the atmosphere -- along with all of the other matter on Earth. You see gravity at work any time you drop a book, step on a scale ...

What is gravity really? :: NASA Space Place

spaceplace.nasa.gov/what-is-gravity/

But, what does this really mean? ... Gravity is what makes pieces of matter clump together into planets, moons, and stars. ... Is it possible that all the forces we see at work in nature are really different sides of the same basic force or structure?

How does gravity work in space?

www.qrg.northwestern.edu/projects/vss/docs/space-environment/zoom-grav.html

It can also cause life-destroying asteroids to crash into planets. Ask any question below to learn about gravity in space. What is gravity? Is there gravity in space?

What is gravity?

www.qrg.northwestern.edu/projects/vss/docs/space-environment/1-what-is-gravity.html

How does gravity work in space? What is gravity? Gravity is a force pulling together all matter (which is anything you can physically touch). The more matter, the ...

general relativity - How exactly does gravity work? - Physics Stack ...

physics.stackexchange.com/questions/116608/how-exactly-does-gravity-work

Jun 3, 2014 ... The electromagnetic force and strong and weak forces require particles like photons and gluons. But in case of gravity there is no such particle ...

Where Does Gravity Come From? - Universe Today

www.universetoday.com/75705/where-does-gravity-come-from/

Mar 10, 2009 ... We also know that gravity can work in a complex system with several objects. For example, in our own Solar System, not only does the Sun ...

Physics4Kids.com: Motion: Gravity

www.physics4kids.com/files/motion_gravity.html

Gravity of the Earth pulls objects towards the center of the planet. Gravity or gravitational forces are forces of attraction. ... That pull is gravity at work. .... Andrew Rader Studios does not monitor or review the content available at external web ...

Greatest Mysteries: What Causes Gravity? - Live Science

www.livescience.com/1770-greatest-mysteries-gravity.html

Aug 10, 2007 ... The math simply doesn't work." Gremlins of gravity. The numbers may not jibe, but physicists have a hunch about gravity's unseen gremlins: ...