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 M¢25  Funded By Mahalo ? |  June 23, 2009 02:28 PM

What is the gravitation field?

What are gravitational fields used for?

Does a gravitational determine mass of the object or does the mass of an object determine the strength of the gravitational field?
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June 23, 2009 02:47 PM
A gravitational field, in general terms, is the region in space around a planet, star or mass, upto which the gravitational field strength of the planet, star or mass affects an object's motion or state of rest.
If it can be created, it can be used to control the path of motion of objects.
There are basically two things which affect gravitation field strength of a mass on an object:
1) The size of the mass.
2) The distance of the object from the mass.
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June 23, 2009 02:57 PM
How is the gravitational field detected? Is it a mathematical field based on the theory of relativity or does it create a bending of light, a lense for which its shape can be deduced?

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June 24, 2009 07:19 AM
Gravitational fields can be detected by the change in momentum of an object. Though there are some fields which are strong enough to bend light, the black holes, which have immense strength, literally suck light into them.

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June 24, 2009 11:18 AM
Can scientist measure a graviton with an instrument?

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