Kepler’s Laws of Planetary Motion - 3 Laws -. Elliptical Orbits Planets travel in elliptical orbits with the sun at one focus. Furthest point = Aphelion.

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Presentation transcript:

Kepler’s Laws of Planetary Motion - 3 Laws -

Elliptical Orbits Planets travel in elliptical orbits with the sun at one focus. Furthest point = Aphelion Closest point = Perihelion

Equal Area Law A line connecting Earth to the sun would pass over equal areas of space in equal times.

Harmonic Law Further a planet is from the sun, the larger its period of revolution (P)eriod= orbit around sun (years) (D)istance= distance from the sun (AU) P 2 = D 3 AU Period Mercury days Venus days Earth days Mars days Jupiter years Saturn yrs Uranus years Neptune yrs Pluto yrs

Kepler's laws video clip Kepler's laws video #2

Newton’s Law of Gravitation Force of gravity is directly related to the masses of two objects. Change in force 1 distance 2