The fictional planet Tralfamadore is the moon of a large planet called Tran.
There is not currently a moon in our solar system called Tran, but there is a fictional planet called Tran in the Janissaries novel series.
Neil Armstrong stepped on the moon on a place called Tran quality Base
The two Apollo astronauts first landed on the moon ,on a place called Tran quality Base.
A small planet going round a big planet is called a moon. Like our moon, it is smaller than Earth - so all planets orbiting round a bigger planet is called a moon.
The planet is Saturn.
A natural satellite that orbits a planet is a moon
A moon
Pieces of rock that strike the surface of a moon or planet are called meteorites.
A moon.
This is Neptunes largest moon.
jupiter moon called IO
A moon? I don't think a planet orbiting another planet would be called a planet.