Photo source: MNN
In addition, in this nebula system, there are many white dwarfs, young stars that live and operate vigorously.
The name of the giant eye comes from the shape of its human eyes. In particular, Helix has giant blue irises like the eyes of Westerners making astronomers extremely excited and curious.
What is the nebula?
The nebula is a large cloud of gas (mostly hydrogen), which mixes the dust corresponding to the atoms of heavier elements. The smallest nebula is of the same size as the whole solar system, and the largest nebula is hundreds of light-years across.