View Moon Phases In Order Labeled PNG. First quarter moon is the second primary moon phase and it is defined as the moment the moon has reached the first quarter of its orbit around earth, hence the name. The first quarter moon looks, from earth, like the right side of a circle that has been sliced in half.

The four main moon phases in order are the new moon, first quarter moon, full moon and last quarter moon. The first quarter moon looks, from earth, like the right side of a circle that has been sliced in half. The moon has phases the wanes, waxes, and even sometimes we can't even see the moon during its phase.

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Phases of the moon and percent of the moon illuminated. Which is the current phase of the moon? Moon phases diagram picture category: As the moon orbits around the earth, the half of the moon that faces the sun will be lit up.