61 variations here http://www.blazelabs.com/f-u-massvariation.asp along wit=
h some of the history, explanation etc


On 2011-02-16, at 3:21 PM, Isaac Marino Bavaresco wrote:

> Em 16/2/2011 21:02, Joe Koberg escreveu:
>> On 2011-02-16 16:51, Isaac Marino Bavaresco wrote:
>>> I was trying to do some gravitational calculations but I found several
>>> different values for G.
>>> Does anybody know what is the most accurate and current value?
>>>=20
>> Depends on the amount of earth between you and the planetary centroid.
>>=20
>>> From https://secure.wikimedia.org/wikipedia/en/wiki/Earth%27s_gravity :
>>=20
>>> The precise strength of the Earth's gravity varies depending on=20
>>> location. The nominal "average" value at the Earth's surface, known a=20
>>> standard gravity is, by definition, 9.80665 m/s^2 (32.1740 ft/s^2 ).=20
>>=20
>> Check out the measured gravity map at that page!
>>=20
>> Joe
>=20
>=20
> I want to know the value of the "Big G", the Universal Gravitational
> Constant, not the acceleration due to the gravity.
>=20
> I've seen values from 6:6656e-11 m^3.kg^-1.s^-2 to 6.6873e-11, and also
> 6:67259e-11 and 6.67428e-11 (Wikipedia).
>=20
> --=20
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