During which term is the Moon's illumination increasing toward a full Moon?

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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

During which term is the Moon's illumination increasing toward a full Moon?

Explanation:
Illumination grows as the Moon moves from new toward full, so that growing phase is waxing. The lit portion of the Moon increases each night until it reaches a full Moon, when it’s fully lit. After that, the illumination decreases in the waning phase as it moves toward the new Moon. A new Moon is when the Moon is between the Sun and Earth and appears dark, while a full Moon is when the near side is fully illuminated. Since the question asks for the term describing the increasing illumination toward a full Moon, the correct term is waxing.

Illumination grows as the Moon moves from new toward full, so that growing phase is waxing. The lit portion of the Moon increases each night until it reaches a full Moon, when it’s fully lit. After that, the illumination decreases in the waning phase as it moves toward the new Moon. A new Moon is when the Moon is between the Sun and Earth and appears dark, while a full Moon is when the near side is fully illuminated. Since the question asks for the term describing the increasing illumination toward a full Moon, the correct term is waxing.

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