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On 2007-10-15 11:14:20 -0400, "Bill" said:
Gravity always exists. At a LaGrange point, the gravity of one mass is cancelled by the mass of another. So gravity has no effect on free bodies at a LaGrange point, but gravity still exists. How does one know it exists there? By measuring it? By using it. There are a few satellites sitting in the vicinity of the various Lagrange points. Even there, the gravitational forces aren't exactly cancelled, but exist in a dynamic balance. -- Jere Lull Tanzer 28 #4 out of Tolchester, MD Xan's pages: http://web.mac.com/jerelull/iWeb/Xan/ Our BVI trips & tips: http://homepage.mac.com/jerelull/BVI/ |
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