Phet Simulation: Gravity and Orbits Follow the directions carefully before answering the following questions while using the Phet Simulation "Gravity and Orbits". http://phet.colorado.edu/en/simulation/gravity-and-orbits

Run the Simulation, Keep all the default settings, but select the Earth and Satellite option.

1. ." On the top left tabs, change your view so that you are to scale. In the Show menu, you can now also turn on the "Tape Measure". Run the simulation, with the path shown.
   1. How far out is the satellite?
   2. How long does it take for the satellite to orbit earth?
2. Switch modes, so that you are now looking at just the earth and the moon.
   1. How far is the moon?
   2. How long does it take for the moon to orbit the earth?
3. Again Switch modes, so that you are now looking at just the earth and the sun.
   1. How far is the earth from the sun?
   2. How long does it take for the earth to orbit the sun