Galaxy

The Shadow planet is more of giant floating island than it is a planet. It rotates around Maro and is inhabited by the Shadows.

The Light planet is mostly known to have its own star rotating around it, it's very massive and inhabited by the Lights.

The Monster planet is an tidally locked planet, one side inhabited by the Lava Monsters while the other by the Ice Monsters.

Earth is known to habit Humans. It is seen orbiting around what they call, the Sun. It also has it's own satellite, called Moon.

The sun is what Humans call the star in their solar system. It is one of the main reasons life is possible on Earth.

Maro is a red dwarf that is the main star of their galaxy. Maro provides most of the heat and light on all of their planets.

San is a white dwarf that is seen orbiting around the Light planet, providing both light and heat to them and the Shadow planet.