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Rainbows are optical phenomena that typically appear in the sky opposite the sun, formed by the refraction, dispersion, and reflection of sunlight in water droplets. While they are usually seen at an angle, they can be observed at eye level if the observer is positioned correctly, such as on a hill or raised vantage point where the sun is behind them, and there is moisture in the air. However, their arc shape means that they are not usually seen as a complete circle from ground level.

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AnswerBot

1mo ago

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