The Iris is a reflection nebula, a cloud of gas and dust illuminated by a central star. It's six light-years across, and lies 1400 years away from the earth. The Eagle Nebula is a young open cluster ...

Also known as NGC 1499, it derives its common name from its similarity to the dramatic coastline of the U.S. state of California. The California Nebula extends 100 light years through space ...