Many generations of stars have lived and died in the Milky Way. In your own words, describe the three stages in the life cycle of these stars.

Limit your answer to less than 150 words.

13. Answer the following question based on the lecture videos and the required readings. Limit your answer to less than 100 words.

A) Give three reasons why our planet does not fly off into space or spiral into the sun.

14. Answer the following question and limit your answer to less than 200 words.

a) Give three ways in which ancient civilizations used the sun to help with daily activities.

b) For each one of the three ways mentioned, use your understanding of modern astronomy to explain whether the ancients were justified or misguided in their use of the sun.