The search for exoplanets has traditionally centered on those similar to Earth (of a relatively proportionate size and mass with comparable temperatures and atmospheric compositions) but scientists are now “rethinking the kinds of planets that may be habitable” and looking toward a new class known as hycean planets. Beyond our solar system these planets, akin to “mini Neptunes,” are much bigger than Earth and are …
New Type of “Water World” Exoplanets Beyond Our Solar System
