Kepler proposed elliptical paths for the planets about the Sun
{"Image DocumentName": "Kepler proposed elliptical paths for the planets about the Sun", "Image ImageDescription": "Using data collected by Brahe, Kepler deduced three laws of planetary motion: the orbits are ellipses. a planet\u2019s speed varies as it moves around its elliptical orbit. the orbital period of a planet is related to the size of its orbit.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}