Kepler's first law

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Related to Kepler's first law: Kepler's third law, Kepler's second law
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Noun1.Kepler's first law - a law stating that the orbit of each planet is an ellipse with the sun at one focus of the ellipse
Kepler's law, Kepler's law of planetary motion - (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler
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References in periodicals archive ?
Would such a relationship result in an elliptical orbit as described by Kepler's first law? Yes, according to Hooke, and he boasted that he could provide proof of his assertion.
The elliptical orbit is Kepler's First Law of planetary motion.