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Astronomy Quiz Study Guide
1.
List the color of stars from hottest to coldest.
2.
Explain why a star would turn into a red giant vs. a red supergiant.
3.
Explain the life cycle of an average star such as our sun. Feel free to use a diagram
4.
Explain the life cycle of a massive star. Feel free to use a diagram.
5. Explain what holds everything in place within galaxies or solar systems. What would happen if
this force lessened or disappeared entirely? Explain.
6.
Put these terms in order from largest to smallest:
Milky Way Galaxy, Sun, Solar System, Universe, Earth, Nebula, Local Group, The Hubble telescope
7.
How long ago did our solar system begin to form? Explain the steps in solar system formation.
8.
List the 4 types of galaxies and draw a picture of each.
9.
Explain where and how stars are formed.
10. What do astronomers believe can cause the irregular shapes of barred spiral and irregular
galaxies?
11. Taking into account the size and scale of Earth, explain how we fit into the universe. Use size
comparisons to explain how significant the planet Earth is within the universe.
11. Explain the big bang theory in as much detail as possible. Make sure you answer the following
questions: 1. Is the universe expanding or getting smaller? 2. What evidence did the WMAP
provide scientists about the big bang theory? 3. Is the universe cooling or getting hotter? 4.
How has the amount of hydrogen and helium changed and how does the support the big bang?
5. What is Hubble’s Law and how does it support the big bang theory? 6. When is it proposed
to have happened?
12. List 5 facts about the Milky Way galaxy.
13. Most stars in our galaxy are which kind of star?
14. What theories do scientists have for the universe as it continues? What could eventually
happen to it? (Hint: 3 theories)