"The focal radius joining a planet to the sun sweeps out equal areas in equal times."

II. The line joining the planet to the Sun sweeps out equal areas in equal times as the planet travels around the ellipse.

(click to enlarge)

See Also

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Astrology
Astronomy
harmony of the spheres
Keelys Contributions to Science
Kepler Music of the Spheres
Kepler Music Theory
Kepler Theory of Harmony
Kepler
Kepler's First Law
Kepler's Second Law
Kepler's Third Law
law of etheric compensation and restoration
Music
Propositions of Astronomy
Universal Heart Beat