Chapter 2 – Understanding the Sky
2.1 Our Everyday View of the Universe
2.1.1 What do we see in the local sky?
2.1.2 What is the celestial sphere?
2.1.3 Why do stars rise and set?
2.1.4 Why do we see different constellations at different times of year?
2.1 Review
2.2 Seasons
2.2.1 What causes the seasons?
2.2.2 How do seasons differ around the world?
2.2.3 Does the orientation of Earth’s axis ever change?
2.2 Review
2.3 Viewing the Moon: Phases and Eclipses
2.3.1 Why do we see phases of the Moon?
2.3.2 When do we see different phases of the Moon in our sky?
2.3.3 Why do we always see the same face of the Moon?
2.3.4 What are eclipses?
2.3 Review
2.4 Planets in the Night Sky
2.4.1 How do we recognize planets in the sky?
2.4.2 Why do the planets “wander”?
2.4 Review
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