1. Galileo Moons
This is what Galileo saw when he looked through his telescope at Jupiter.

2. The page to the left was copied from Galileo’s notebook.
Each night he recorded Jupiter and the moons he could see with his telescope.

3. Mapping the Moons of Jupiter
The following pictures were taken for 8 nights in a row. The moons have been color coded so that you can follow one moon’s path. Select one color of moon and map its path on a chart like the example below. Continue for 8 nights. O O O

4. Name _________________________ color ____
Print this page or make a duplicate in your notebook.
Name _________________________ color ____ 1 2 3 4 5 6 7 8
Estimate 9 and 10

5. Galileo’s Observations
Night 1 -2 -1 +1 +2

13. This concludes this activity
This concludes this activity. You may wish to repeat and map each of the other moons. Can you name and identify the 4 moons?
Activity adapted from the Moons of Jupiter, Lawrence Hall of Science, University of California at Berkeley