Download Name Class ______ Earth Science Study Guide: Introduction to

Name ___________________________________________ Class _____________
Earth Science
Study Guide: Introduction to Astronomy
Complete the following study guide using your book and notes.
1. What is astronomy?
2. Which planets were known more than 5,000 years ago?
3. Describe two ways ancient peoples used astronomy.
4. Who was the first person to use a telescope to look at the moon? What year?
5. What do modern astronomers study?
6. What makes up the solar system?
7. What do cosmologists study?
8. What did Aristotle claim about Earth?
9. What did Nicolaus Copernicus state that went against Aristotle’s theory?
10. Who were the other scientists that backed Copernicus’ claim?
11. What was the name of the first Russian satellite?
12. What was the name of the United States’ satellite?
13. List two questions scientists still hope to answer about the universe.
14. How did the universe begin? How long has it been around?
15. What is a galaxy?
16. What year was the Hubble Space telescope launched into space?
17. Why has this telescope been so vital for space exploration?
18. What problems were they having after it was first launched?
19. What is Earth’s closest star other than the Sun?
20. What is a light-year?
21. How fast does light travel?
22. What is parallax?
23. Which stars have a larger angle of parallax?
24. What is an astronomical unit?
25. What do scientists measure using astronomical units?
26. What is a satellite?
27. What is an orbit?
28. What kind of information do these satellites collect?
29. How many satellites regulate GPS?
30. Why are space probes so important?
31. Where was the Galileo space probe sent? What was it to collect?
32. Where was the Cassini space probe sent?
33. When was the International Space Station completed?
34. What will the ISS provide?
35. Describe the living conditions in space.