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German astronomer Johannes Kepler discovers the third of his three laws of planetary motion, often referred to as the "harmonic law". This law establishes a relationship between a planet's orbital period and its average distance from the Sun, specifically that the square of the orbital period is proportional to the cube of the average distance. Kepler's Third Law implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit. More
Powered by Volunteers | 360-794-7959
Giving Kids in Need the Chance to Read
Non-profit organization - Seattle, WA
Hunger impacts all of us | 360-435-1631
Snohomish, Skagit and Island County
