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barry barry
wrote...
Posts: 11630
10 years ago
Relate Kepler's Second Law to the speeds of the planets.
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wrote...
10 years ago
In equal time intervals, the lines that connect each of the planets to the sun must all sweep out equal areas.  The longer this line, the slower the planet could move and still sweep out this constant area.  Thus more distant planets orbit the Sun slower, and each planet will speed up at perihelion and slow down at aphelion.
Would you know my name, if I saw you in heaven?

Eric Clapton
barry Author
wrote...
10 years ago
Thank you very much, marking this solved. This was from mastering astronomy.
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