Astro001 - lecture 2 - moon phases and the constellations. The moon moves around the earth once in 1 month. Phases of the moon are caused by the sun lighting different fractions of the part of the moon that we see. Order of the phases of the moon: new waxing crescent, first quarter, waxing gibbous, full-waning gibbous, third quarter, waning crescent, new moon. It transits at midnight, rises 6 hours earlier at sunrise, and sets 6 hours later at sunset. During a new moon, the moon is between the sun and earth. During a full moon, the earth is between the moon and sun. Solar eclipse: the moon blocking the sun"s light or a location on the earth"s surface passing under the moon"s shadow. During a solar eclipse, the moon is between the sun and earth. Every solar eclipse is a new moon, but not every new moon is a solar eclipse. Lunar eclipse: earth"s shadow on the moon.