The Moon orbits the Earth approximately once a month producing the familiar cycle of phases from New Moon, waxing crescent, first quarter, gibbous, full Moon and so on back to New Moon.
(The Moon; orbits; the Earth; T:approximately once a month) (New Moon; waxing; crescent, first quarter, gibbous, full Moon and so on back to New Moon)
The Moon New Moon
orbits waxing
the Earth T:approximately once a month
crescent, first quarter, gibbous, full Moon and so on back to New Moon