👉 The term "coronals" refers to the outermost layer of a star, often referred to as the corona. This layer is composed primarily of plasma, which is made up of electrons and protons in the high-energy state. The corona is responsible for the visible light spectrum (red, orange, yellow, green, blue, and violet) that we see when looking through a telescope or observing stars from space. It also contains a significant amount of hydrogen gas, which helps to
