1. Through how many constellations does the Sun move every year? 2. Why does the tilt of the Earth’s axis relative to its orbit cause the seasons as the Earth revolves around the Sun? Draw a diagram...

1. Through how many constellations does the Sun move every year?

2. Why does the tilt of the Earth’s axis relative to its orbit cause the seasons as the Earth revolves around the Sun? Draw a diagram to illustrate your answer.

3. What is precession, and how does it affect our view of the heavens?