An Orrery (sometimes spelled Orory).
It is an orrery.
It is called rotation.
Another name for inner planets is terrestrial planets. These are the planets that are closer to the Sun and have rocky surfaces.
The mechanical device that shows the movement of the planets and moons in the solar system is called an orrery. It is a model of the solar system that demonstrates the relative positions and motions of the celestial bodies.
the planets were named after roman gods
To refer which of the planets is which its like why do you have a name
dwarf planets
our dwarf planets are Pluto
Terrestrial Planets.
Jovian planets
Terrestrial Planets, or Rocky Planets.
Planetoids, or minor planets.