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1. How can you tell the difference between a planet and a star in the night sky?
2. Why do we have 7 days in a week?
3. Which statement correctly describes what is we see in the sky during the time that a planet is in its period of apparent retrograde motion?
4. Which statement correctly describes what is really going on in space during the time that we see Mars is in its period of apparent retrograde motion in our sky?
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Look back at the Learning Goal questions at the beginning of this section. For each of those questions, write the question followed by a few sentences that briefly summarize the answer to it.
This response will be reviewed and graded after submission.