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en.wikipedia.org/wiki/Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought ... For example, gravity causes the Earth and the other planets to orbit the Sun, it also causes the Moon to orbit the Earth, and causes the formation of ...

math.ucr.edu/home/baez/physics/Relativity/GR/gravity.html

... do with gravity? It is quite simple! When a mass is present in the above space- time it distorts it so that whilst it remains true that travelling through space causes  ...

spaceplace.nasa.gov/what-is-gravity

The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall.

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

Aug 10, 2007 ... Science can measure gravity, but its source eludes discovery. ... This weakness also makes it the most mysterious, as scientists can't measure it ...

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

Dec 5, 2013 ... Because of gravity, we fall down (not up), objects crash to the floor, and we ... The old adage, “everything that goes up must come down” makes ...

www.newscientist.com/round-up/seven-things-that-dont-make-sense-about-gravity

We tend to think of gravity as a force that affects objects, but Einstein showed ... All the other forces in nature have opposites – so what makes gravity different?

www.thenakedscientists.com/forum/index.php?topic=9197.0

what i mean is that is it caused by the earth's spinning motion?? or what? if not than what causes the earth to spin?? why is it spinning??

van.physics.illinois.edu/qa/listing.php?id=175

Going back to Follow-Up Question #1 somewhat implying that gravity is *due to* the earth's spin, the only connection I am able to make is the ...

sciencing.com/causes-gravity-earth-8579888.html

Apr 25, 2017 ... The gravity of the Earth is what keeps humans from floating to other massive ... The centripetal force makes it such that someone on the Earth's ...