Name __________________ Gravitational Lab Go http://phet.colorado.edu/simulations/sims.php?sim=My_Solar_System and click on Run Now.

I After the simulation loads click Start.

Describe what you see in this simple sun-planet system.

Specifically, what happens to the central object (the Sun)?
The suns moves also.

Can you explain why the central object moves?
The Sun is pulled by the gravitational forces between itself and the plane...

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