Why does the moon have a pure white color during the day, and after sunset it acquires a yellowish tint?

During the day, the blue light of the sky diffused by the atmosphere is added to the yellowish color of the moon. After sunset, the influence of the light from the firmament diminishes sharply.

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.