The Soul Nebula (IC is a fairly large emission nebula in the constellation Cassiopeia. It is often referred to as the “Embryo Nebula” because of its characteristic shape. Its neighbour is IC 1805 (the Heart Nebula). Photo by Azin Dark Skies.
Tranquil The surface area of Saturn's moon Mimas is composed of water ice with only a small amount of rock. Yet Saturn's resonances with Mimas, and Mimas' resonances with other orbiting satellites are instrumental in the formation of Saturn's rings.