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Lec 22 801 Physics I Classical Mechanics Fall 1999

anyone else. But finally he arrived at two... three golden eggs. And the first golden egg then is that the orbits are ellipses-- he talked always about planets-- and the Sun is at one focus. That's Kepler's law number one. These are from around 1618 or so. The second... Kepler's second law is-- quite bizarre how he found that out, an amazing accomplishment. If you take an ellipse, and you put the Sun here at a focus-- this is highly exaggerated because I told you that most orbits look sort ...

Channels: Major questions in astronomy 

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