Why is the surface brightness of Saturn’s ring at its maximum when the planet is in opposition?

Outside the phase of opposition, part of the ring particles visible from the Earth is in the shadow of other particles. During the confrontation, the observer from the Earth sees only illuminated particles.

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.