The phases of the moon include the following eight periods: the new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent. According to Starchild, a service wi... More »

www.reference.com Science Astronomy Our Moon

Earth's only natural satellite has different phases due to its revolution around the planet. This causes the light from the sun to strike the moon at different angles, and this sunlit appearance is the one perceived by a... More »

www.reference.com Science Astronomy Our Moon

The moon orbits around the Earth on a 29 day cycle. Half of the moon is always lit by the sun's rays but different amounts of this illumination can be seen from Earth depending on the angle the moon makes with the sun re... More »

www.reference.com Science Astronomy Our Moon

The phases of the moon, from darkest to brightest, are the new moon, the crescent moon, the quarter moon, the gibbous moon and the full moon. As the moon fills out in the sky, it passes through the waxing crescent, first... More »

www.reference.com Science Astronomy Our Moon

The phases of the moon are: new moon, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, third quarter and waning crescent. After the waning-crescent phase the moon returns to the new-moon phase and th... More »

www.reference.com Science Astronomy Our Moon

A black moon describes either the second new moon of a calendar month, a calendar month without a new moon, a calendar month without a full moon, or the third new moon of a season that has four new moons. More »

A third quarter moon, sometimes called a last quarter moon, occurs about three weeks after a new moon. The moon reflects light from the sun with varying degrees of illumination during different phases. More »