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All of the planets in our solar system revolve around our sun.

Orbiting Our Sun. All of the planets in our solar system revolve around our sun. Today you will investigate the speeds at which they move around. Orbital distance = 2 x 3.14 x 93,000,000 miles = 584,040,000 miles. Orbital distance per day = miles = 1,600,000 miles.

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All of the planets in our solar system revolve around our sun.

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  1. Orbiting Our Sun • All of the planets in our solar system revolve around our sun. • Today you will investigate the speeds at which they move around.

  2. Orbital distance = 2 x 3.14 x 93,000,000 miles = 584,040,000 miles Orbital distance per day = miles = 1,600,000 miles Orbital speed per hour = mph = 66,667 mph

  3. The Moon Orbital period = 28 days Distance from Earth = 240,000 miles Orbital distance = 2 x3.14 x240,000 = 1,507,200 miles Orbital distance per day = miles = 53,800 miles Orbital speed per hour = mph = 2240 mph

  4. radius x 2 x 3.14 circumference or orbital distance from Sun  number of days or orbital period distance planet travels per day (Earth day!)  24 speed of planet in mph (Earth hour!) Which is Fastest?

  5. Answers (Distances in miles)

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