cted with the movements of the planets in theirorbits, discovered by Kepler and more fully investigated bythe genius of Newton, which enables us at once to deter-mine the distance of the sun, if only we can measure thedistance of any one of the other planets from the earth. It was at one time hoped… … THE NEW PLANET, EROS 245 edge of the suns disk, and the atmosphere of Venus itself,combine to deprive such observations of the necessary ac-curacy. Apart from some other methods, involving longperiods of time and highly complicated theoretical investi-gations in their use, attention was therefore…
Astronomy
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