The MOON

•             [A, Es]             (Chap. 18, section 2) Phases (animation)
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•             [A, Es]             (Chap. 18, section 2) The Sidereal and Synodic Months (animation)
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•             [A, Es]           (Chap. 18, section 2) Phases (animation)
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•             [A, Es]             (Chap. 18, section 2) Phases (Game)
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•             [A, Es]             (Chap. 18, section 2) Eclipses (animation)
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•             [A, Es]              (Chap. 18, section 2) Solar Eclipse