Access the animation “The Moon’s Phases” in Chapter 1 of the Discovering the Universe Web site. This shows the Earth-Moon system as seen from a vantage point above the Earth’s North Pole. a. Describe...

Access the animation “The Moon’s Phases” in Chapter 1 of the Discovering the Universe Web site. This shows the Earth-Moon system as seen from a vantage point above the Earth’s North Pole. a. Describe where you would be on the diagram if you are on the equator and the time were 6:00 P.M. b. If it were 6:00 P.M. and you were standing on the Earth’s equator, would a third-quarter Moon be visible? Why or why not? If it would be visible, describe its appearance.