Lunar Phases Review

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What are lunar phases?

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Lunar phases are the different appearances of the Moon as seen from Earth, caused by the changing positions of the Moon, Earth, and Sun.

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What is a lunar cycle?

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A lunar cycle is the period it takes for the Moon to complete all its phases, approximately 29.5 days.

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What is the difference between waxing and waning?

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Waxing refers to the Moon becoming more illuminated (from new moon to full moon), while waning refers to the Moon becoming less illuminated (from full moon to new moon).

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What is a new moon?

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A new moon is the phase when the Moon is between the Earth and the Sun, and its illuminated side is facing away from Earth.

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What is a full moon?

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A full moon is the phase when the entire face of the Moon is illuminated by the Sun, occurring when the Earth is between the Moon and the Sun.

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What is the first quarter phase?

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The first quarter phase occurs when half of the Moon's near side is illuminated, typically one week after the new moon.

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What is the third quarter phase?

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The third quarter phase occurs when the opposite half of the Moon's near side is illuminated compared to the first quarter, typically three weeks after the new moon.

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What keeps the Moon in orbit around the Earth?

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The Earth's gravity keeps the Moon in orbit around it.

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How does the Moon's position affect its phases?

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The Moon's position relative to the Earth and Sun determines which part of the Moon is illuminated, creating different phases.

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What is the significance of the lunar cycle in calendars?

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The lunar cycle is used in many calendars, particularly lunar calendars, to track months and festivals.