Planetary rings can be made of ice, rock, dirt and dust. They are incredibly thin (usually) even more than you might expect. They show up in our Solar System only on the gas giant, but could arise in many different ways and places on various planets in our galaxy, they are fascinating as they only last for millions of years at a time, such a temporary phenomenon. Still, they are awesome and worth learning about, so here's a learning resource to help with this topic.The research project template