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Dictionary of Astrological and Astronomical Terms

Compiled by Julene Packer-Louis, Evan Bortnick, and Jackie Goldstein

Copyright 2000-2020 OCA, Inc. All rights reserved. No portion of the dictionary may be reproduced in any form without written permission.

 

Universal Law of Gravitation

This is also Newton's, arrived at by formulating a general statement using his three laws of motion and Kepler's three laws. "Two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them." The formula for calculating the force of gravity is:

F = G (m1 + m2 / r2)

Force = Gravity times the sum of both masses divided by the radius of the distance between them squared.

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