Moonlight is the light of the Sun reflected by the Moon. The spectrum of moonlight, in comparison with the spectrum of sunlight, has a relatively weak blue spectrum and an ultraviolet region. What, in your opinion, is the reason for this difference?
The reason for this difference, most likely, is that the surface of the moon absorbs electromagnetic waves of the indicated ranges.
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.