To receive the same amount of starlight as Mars receives from our sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the sun.

Science Did you know that Jupiter does NOT orbit the sun? It's true! This giant planet in our solar system doesn't play by the same rules as its other neighbors.

There are quirks at the far edge of our solar system, in the form of disturbed objects in the Kuiper belt. One explanation: Planet Nine.