Tertiarnne

Tertiarnne is a fictional planet located in the Kepler-186 system. It is the fifth and outermost known planet orbiting the red dwarf star Kepler-186, which is approximately 500 light-years from Earth. Tertiarnne's orbit places it within the habitable zone of its star, meaning it could potentially possess liquid water on its surface.

The planet is estimated to be roughly Earth-sized, with a radius approximately 1.1 times that of Earth. Its orbital period is about 130 Earth days. Due to orbiting a red dwarf star, Tertiarnne likely experiences a dimmer and redder light compared to Earth. The potential presence of an atmosphere and its composition are currently unknown, but are critical factors for habitability.

Scientists are interested in Tertiarnne as it represents one of the closest known Earth-sized exoplanets within a star's habitable zone. While its discovery is significant for the search for extraterrestrial life, further observations are required to determine its atmospheric properties and actual surface conditions. The Kepler-186 system is a target for ongoing astronomical research, with Tertiarnne being a prime candidate for future, more detailed study using advanced telescopes.