👉 Indigos are a type of electromagnetic wave that is characterized by its high frequency and very short wavelength. Indigos have been observed in the early universe, as well as in the Earth's atmosphere, where they can be detected through radar or other instruments. Indigos are also known as X-rays or gamma rays, and they have been used to study various aspects of the universe, including the structure of galaxies and the dynamics of black holes. Indigos are an important part of our understanding of the universe