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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.


Newton, Issac (1642-1727)

Gifted British physicist and mathematician who, by the young age of 23, formulated the laws of motion, the law of gravity, and the fundamental concepts of differential calculus. However, it wasn't until Edmund Haley (of Haley's comet fame) brought the work of Kepler to his attention in 1685 that Galileo decided to publish his findings. The Mathematical Principles of Natural Philosophy (or more simply Principia), 1687, is still considered one of the greatest achievements of the human mind.

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