Why the sun appears oval at sunset and sunrise but appears circular at noon???......
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At sunrise and sunset, the sun is near the horizon. The rays of light from the upper part and lower part of the periphery of the sun bend unequally on travelling through earth's atmosphere. That is why the sun appears oval or flattened at the time of sunrise and sunset. At noon, the sun is overhead.
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hi mate your answer
It's an optical illusion caused by the bending of the light rays as they pass through the Earth's atmosphere. In fact, when the Sun appears oval like that, the Sun is actually BELOW the horizon, the the atmosphere is refracting the light around the curvature of the Earth. The reason that sunrises and sunsets look red is because the red light is bent, or refracted, more than other colors - so the red rays go further around the Earth while the other colors pass on through the atmosphere and out into space again.
I hope its help you
It's an optical illusion caused by the bending of the light rays as they pass through the Earth's atmosphere. In fact, when the Sun appears oval like that, the Sun is actually BELOW the horizon, the the atmosphere is refracting the light around the curvature of the Earth. The reason that sunrises and sunsets look red is because the red light is bent, or refracted, more than other colors - so the red rays go further around the Earth while the other colors pass on through the atmosphere and out into space again.
I hope its help you
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