1. What is the orbital period of Jupiter's moon, Europa, in units of years?
2. What is the semi-major axis of Europa, in units of AU?
3. What is the orbital period of Callisto, in units of years?
4. What is the semi-major axis of Callisto, in units of AU?
5. Using Newton's modified version of Kepler's third law,calculate the mass of Jupiter separately using the period and semi-major axis data from each of your two moons. Show work and include correct units
6. Calculate the average for the mass of Jupiter using your two measurement. Show work and include correct units.