Full-Circle Rainbow: Though just the arc in the rainbow will likely be obvious in the Earth's surface, it is feasible to watch a full circular rainbow from an elevated posture, for instance, from an airplane or large mountain peak.?? ??? ?? ??, ? ??? ??? ??? ??? ????, ???? ??? ? ?? ????? ??? ? ?? ????. ? ?? ???? ???. ?? ?? ???? ??? ??? ?? ????? ??