Why are there no gas moons?
Moons come in many forms. In our solar system we have rocky moons (e.g Soil‘S Moon), ocean moons (e.g Europe And Enceladus) and frozen ice moons (e.g Triton) but there are no gas moons. Are we just unlucky not to have gas moons, or are there physical reasons why they can’t exist? There are actually … Read more