Planets, Stars, Galaxies, and the Universe

Summary & Final Tasks


In this lesson, you learned how astronomy went from a careful study of the sky to a science with a basis in the fundamental laws of physics. While in an astronomy course, we are forced to gloss over a lot of the physics of Newton's Laws, I do hope that you come away with an appreciation for the physics of orbits and a firm understanding that there is gravity in space.

Activity 1


First, please take the Web-based Lesson 2 quiz.

  1. Go to Canvas.
  2. Go to the "Lesson 2 Quiz" and complete the quiz.

Good luck!

Activity 2


There is a second quiz for this lesson that contains several short math problems. While I expect you to complete the quiz and to give it the same effort you would for a graded assignment, for these problems you will only be graded on completion and not on the accuracy of your answers. Your participation in this quiz will count in lieu of a discussion forum for this lesson.

  1. Go to Canvas.
  2. Go to the "Lesson 2 Practice Problems" and complete the quiz.

Activity 3


During this week, you should begin work on the lab exercise that will be completed and submitted next week.

  1. Lab 1 is located on the next page.
  2. Read the background information, and then follow the instructions for taking data with the simulated Moons of Jupiter.
  3. Take data and record it as instructed.

Reminder - Complete all of the lesson tasks!

You have finished the reading for Lesson 2. Double-check the list of requirements on the Lesson 2 Overview page to make sure you have completed all of the activities listed there before beginning the next lesson.