Which Moon phase occurs halfway between a Full Moon and a New Moon?

Explore the intricacies of the Sun-Earth-Moon System with our C20 Test. Utilize flashcards and multiple choice questions to gain a comprehensive understanding of celestial mechanics. Prepare thoroughly for your exam!

Multiple Choice

Which Moon phase occurs halfway between a Full Moon and a New Moon?

Explanation:
As the Moon orbits Earth, its illuminated portion wanes from Full Moon toward New Moon. The sequence after a Full Moon goes through Waning Gibbous, then the half-illuminated Third Quarter, then Waning Crescent before reaching New Moon. Halfway in that interval is the Third Quarter, the point at which exactly half of the Moon’s near side is lit. In the Northern Hemisphere this looks like the left half illuminated, and it occurs about seven days after the Full Moon and seven days before the New Moon.

As the Moon orbits Earth, its illuminated portion wanes from Full Moon toward New Moon. The sequence after a Full Moon goes through Waning Gibbous, then the half-illuminated Third Quarter, then Waning Crescent before reaching New Moon. Halfway in that interval is the Third Quarter, the point at which exactly half of the Moon’s near side is lit. In the Northern Hemisphere this looks like the left half illuminated, and it occurs about seven days after the Full Moon and seven days before the New Moon.

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