Earth Space Science Review - Basic Astronomy

Review Text chp 28.3-29/1

Be able to define

1. Explain the following ideas or events and any effect they had in astronomy:

2. What causes the different seasons we experience in Chicago?

3. Compare the times the Sun rises and sets over the course of a year in Chicago.

4. Compare the locations on the horizon where the Sun rises and where it sets over the course of a year in Chicago.

5. Explain why the lenght of a day changes for us in Chicago over the course of a year. When is it longest, when is it shortes and why?

6. Define equinox. When does it occur?

7. Define winter solstice and summer solstice. When do they occur?

8. How would the length of a day be different at the north pole over the course of a year?

9. What causes us to see different phases of the moon throughout a month?

10. Identify the nine phases of the moon by name and picture.

11. Put the phases of the moon in order from a new moon to a new moon

12. Why is the moon sometimes visible during the day?

13. Complete the chart of rise time, zenith time, and set time for the moon phases

14. Why aren't the same onstellations visible at night all year long? Why are there different constellation visible during different seasons? What does this have to do with the orbit of the earth around the sun?

15. During the fall, which constellations are visible from Chicago?

16. During the winter, which constellations are visible from Chicago?

18. From Chicago, how do stars appear to move across the sky?

19. Form the equator, how do stars appear to move across the sky?

20. From the north pole, how do stars appear to move across the sky?

21. Understand the scale of the earth-moon system and the solar system.

a. 4 moon diameters ~ 1 earth diameters

b. earth-moon distance ~ 30 earth diameters

c. 110 earth diameters ~ 1 sun diameter

d. earth -sun distance ~ 110 sun diameters

e. sun-pluto distance ~ 4300 sun diameters