Rainbows may appear to be in a fixed position in the sky, but in reality, each person sees a unique rainbow based on their individual perspective. This is because a rainbow is not a physical object in a specific location; rather, it is an optical phenomenon created by the interaction of sunlight and raindrops. The light from the sun enters raindrop
Although we typically see rainbows as arcs, they are actually full circles. The reason we usually see only a semi-circular arc is that the ground blocks the lower half of the rainbow. A rainbow forms when sunlight is refracted, internally reflected, and dispersed inside water droplets in the atmosphere, creating a circular path of light. When viewe
Throughout history, rainbows have been used as natural indicators of changing weather patterns. Since rainbows form when sunlight interacts with moisture in the air, their appearance can signal the presence of rain or humidity in the atmosphere. A common weather proverb states, "Rainbow in the morning, shepherd’s warning; rainbow at night, shephe
Double rainbows occur when light undergoes two internal reflections inside a raindrop before exiting, creating a secondary arc outside the primary rainbow. This secondary arc has its colors reversed, with red on the inner edge and violet on the outer edge. The space between the two rainbows, known as Alexander’s band, appears darker due to the wa