Planetary Astronomy is offered in the fall semester at Cranbrook Kingswood. If you are a visitor to my site,
welcome. Feel free to look around. I hope you find these pages to be useful. If you are taking a course in
Astronomy, you will find hundreds of useful links for your studies.
We now move on to the historical development of modern planetary astronomy. How did
we arrive at our current view of the universe?
Let us look at the work of Copernicus and Galileo.
