Big BREAKING: NASA Discovers Earth’s Twin Planet
Callisto’s Hidden Ocean Callisto, one of Jupiter’s moons, has an ocean hidden beneath its icy surface. Scientists discovered that there are 24 planets called exoplanets, and two of them are considered “super-habitable,” meaning they are even better for life than Earth. But despite its potential, many people overlook Callisto. It’s the second-largest moon of Jupiter,…