Mantereassa
Mantereassa is a fictional planet located in the Kepler-186 star system, approximately 500 light-years from Earth. It is the fifth and outermost known planet in its system, orbiting a red dwarf star. Mantereassa is classified as a terrestrial planet and is believed to reside within its star's habitable zone, the region where liquid water could potentially exist on the planet's surface.
Observations suggest Mantereassa is slightly larger than Earth, with a radius estimated to be about 1.2 times
The surface of Mantereassa is thought to be varied, possibly featuring continents, oceans, and mountain ranges,