HW Due 10/8

All classes must finish questions 1-3 on the orbit lab.
Questions if you lost your sheet

Q1. Is blue moon (body 3) circling the yellow sun (body 1) or the purple planet (body 2)?  Explain your answer.

Q2. How do the orbits of the planets change when the mass of the sun is increased or decreased?  Why?  Explain your answer with examples of what happened. Draw a diagram/model if needed.

Q3. Why does the sun (body 1) follow a circular path?  How does the path change as its mass changes?  Why? Explain your answer and/or use diagrams to describe.