This is Jupiter’s watery (well, icy) moon Europa, as pieced together in realistic color from a bunch of photos taken by NASA’s Galileo spacecraft in the 1990s.
It’s not necessarily super hospitable from a human perspective, but it’s one of the likeliest places in the solar system to find life we’d recognize.
There are oceans of H2O under that layer of ice….
Photo by NASA / Jet Propulsion Lab-Caltech / SETI Institute, found on Wikimedia Commons.