The color of a celestial body can be fixed in two fundamentally different ways. Which ones?

The first method is based on the existence of selective radiation detectors. The second method consists in the fact that in the spectrum with the help of light filters different areas are distinguished, the radiation from which is sequentially recorded by the same photosensitive element.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.