• Lunar Phrases
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  • What causes the phases of the Moon?
    The Moon's phases are caused by its position relative to Earth and the Sun, changing how much of the lit side we see from Earth.
  • How long does it take the Moon to complete one full cycle of phases?
    About 29.5 days (a lunar month).
  • What is the phase of the Moon when it is completely dark?
    New Moon
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