B. Last Quarter D. Waxing Gibbous Moon 6. What phase of the moon occurs when the moon is between the sun and the Earth? A. First Quarter C. Full Moon B. Last Quarter D. New Moon 7. What phase of the moon occurs when the Earth is between the sun and the moon? A. First Quarter C. Full Moon B. Last Quarter D. New Moon How do we describe the appearance of a last quarter moon? A Total darkness on the appearance of the moon. B. The moon appears more than half lit but less than full. C. The moon appears half lit again a week after full moon and a week before new moon. D. Only a slender fraction of the day side because the moon is moving eastward in orbit around Earth.​