Instructions Answer all questions.
You may collaborate will your colleagues and ask questions, but all final submitted answers must be your own work . Please submit this exam with your final answers with table below and the graph on page 2 completed in question 1, the profile in question 5, and the labels in question 6. The following table was compiled from counting craters in an area of 20,000,000 km 2 . Use these data and the blank crater graph below to estimate the age of the surface that was counted. The eccentricity of the orbit of Io is 0.004, which is very close to circular and the equation for motion in a circular orbit may be assumed to be valid.