Many gas giant moons have similar features to the terrestrial planets and dwarf planets, and some have been studied for signs of life. (newworldencyclopedia.org)
At another extreme, Saturn's giant moon Titan seems more like a planet in its own right, larger than Mercury and cloaked in a dense atmosphere. (discovermagazine.com)
Hang this illuminated, giant moon on the wall and explore the authentically detailed 3 - D lunar landscape that automatically shows the 12 main phases of the moon. (geekwrapped.com)