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To: WhiskeyX
Thanks for the reply. It's too early to look anything up, so in post #18 I just took a guess about the effect of centripetal acceleration. Your opinion?
20 posted on 02/18/2015 6:35:10 AM PST by Leaning Right (Why am I holding this lantern? I am looking for the next Reagan.)
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To: Leaning Right

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22 posted on 02/18/2015 6:37:52 AM PST by skinkinthegrass ("Any girl can be glamorous. All you have to do is stand still and look stupid." Hedy Lamarr)
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To: Leaning Right

The phrase, “centripetal acceleration”, may be somewhat ambiguous in this context, because there are few significant accelerating forces other than the gravitational forces. The principal gravitational force is the gravitational force of the Sun accelerating the other bodies of matter in the Solar System in a vector towards the common barycenter of the Solar System. Depending on their relative positions, the gravitational forces exerted by the other bodies of matter in the Solar System accelerate or decelerate the Earth towards their center of mass with very small effect, which may be variously closer and farther away from the Solar System’s gravitational barycenter at different points of time. This situation may be depicted by vector diagrams on a sheet of paper.


27 posted on 02/18/2015 7:17:59 AM PST by WhiskeyX
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