It was the fortnight of the moon, known as the shukla period.

Urogalan's holy times are the nights of the full moons, known as Earthrisings.

The only larger moon known to be irregular in shape is Neptune's moon Proteus.

Earth has only one moon, known as the Moon.

It is the only moon known to have a chaotic rotation, which means Hyperion has no well-defined poles or equator.

An alien race of children exist on the moon, known as Moonlings.

Halo orbits Threshold's only satellite, an extremely large moon known as Basis.

The crescent moon, known as Hilal, defines the start and end of Islamic months.

The moon, so known to him, for a moment put him at peace with all the unknown beyond.

However, at the time, it was believed that there was only one moon, unofficially known as "Janus", in the given orbit.