Week 2 LEARNING OBJECTIVES

Week 2 LEARNING OBJECTIVES - LEARNING OBJECTIVES FOR WEEK...

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LEARNING OBJECTIVES FOR WEEK TWO 1. Understand what produces the phases of the Moon. You can tell the Moon’s position relative to the Earth and Sun by observing its phase. 2. Understand why the Moon always keeps the same face toward the Earth. The Moon rotates in a special way: It spins exactly once per orbit. 3. Understand why and how eclipses occur. Eclipses occur only when the Sun and Moon are both on the line of nodes. The tilt of the Moon’s orbit makes lunar and solar eclipses rare events. Solar eclipses also depend on the alignment of the Sun, Earth, and Moon. The Sun’s tenuous outer atmosphere is revealed during a total solar eclipse. 4. Ancient astronomers measured the size of the Earth and attempted to determine distances to the Sun and Moon. The ideas of geometry made it possible for Greek scholars Eratosthenes and Aristarchus to estimate cosmic distances. 5. Ancient astronomers invented geocentric models to explain planetary motions . The scholars of ancient Greece imagined that the planets followed an ornate combination of circular paths. 6.
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Week 2 LEARNING OBJECTIVES - LEARNING OBJECTIVES FOR WEEK...

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