MGMT 1050 Lecture Notes - Lecture 8: Ring System, Protoplanetary Disk, Condition Number
20 Jul 2016
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Document Summary
William herschel was cataloguing stars to look for stellar parallax when he discovered uranus. Hershel was particularly suited for discovering planets because he built the largest telescope of his time. 1)the star-like object increased in size when he increased his telescope magnification (suggests that it was not a star; stars always appear point-like to us regardless of the maginifcagtion) 2) he found that uranus have moved night to night relative to the stars. Uranus had a near circular orbit which would make it a planet, a comet would have an elliptical orbit. When kepler observed the large gap between mars and jupiter, he proposed: it contains an undiscovered planet. Bodes" law, where every number in the sequence corresponds to one of the distances between each planet and our sun. It supported the idea that there was an undiscovered planet between mars and. Jupiter because every one of bode"s number supported a planet except one that was between mars and.
