Old Mature Hot Wet -

: Many exoplanets in these size categories, such as GJ 1214 b, are primary candidates for being "hot and wet" worlds.

The "old, mature, hot, and wet" description typically refers to a planet that has undergone the following stages: old mature hot wet

: These planets are often located near the inner edge of their star's habitable zone. High surface temperatures can lead to significant water vapor in the atmosphere, creating a powerful greenhouse effect. : Many exoplanets in these size categories, such