Unit One: The Changing Sky
(1) Apparent changes due to Earth's rotation and orbit around the Sun
(a) Sidereal Day versus Solar Day
(b) Celestial Sphere
(c) Seasons
(2) The Moon and its orbit around the Earth
(a) Synodic versus Sidereal Period
(b) Phases
(3) Planets and their orbits around the Sun |
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