1. Examine a chart showing constellations and their positions in the sky at various times of the year.

2. Learn the meaning of "light year." Practical ideas are suggested in the following source:

Shrigley, R. (1969). A light year is a light year is a ... Science and Children, 7, 25.

3. Consult other books and articles about astronomy.

4. Visit an observatory or planetarium.

5. Make a sundial or examine commercial ones. Read about how sundials were used throughout history.

6. Do research to learn about how buildings were constructed in relation to the positions of the sun, other stars, or planets.

7. Read about time periods during which comets or eclipses have been or will be observed. Learn about the reactions of people to these events in the past and the present.

8. Do research to learn about space travel. What do people involved in jobs related to astronomy and outer space need to know about the measurement of time?

9. Read to learn about the length of a day or year on various planets? Why are days or years longer or shorter than those on earth?

10. What did people think about the stars, planets, and the moon in times past? What religious events were related to the movements of objects in space?

11. What does the night sky look like during various seasons in the southern hemisphere? Examine illustrations to learn the answer.