The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1901)
White, Charles J. (Charles Joyce), 1839-1917 · New York, J. Wiley & sons; · leaf 115
ion of the sun onthe earth, along the line ES, may be re-solved into two forces, one of which,acting in the direction of the tangent EB,will evidently tend to increase the velo-Kg. 45. city of the earth in its orbit. At the point E, on the contrary, where the earth is moving toward A,the effect of… … keplers laws. Ill KEPLER S LAWS. 117. In the early part of the seventeenth century, more thanBtty years before the announcement by Newton of the law ofuniversal gravitation, the astronomer Kepler, by an examinationof the observations which had been made upon the motions of theplanets, and which had…
Astronomy
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