Solar rays are also known as sunrays or cloud rays. In folklore the effect is called "the sun drawing water". Solar rays can be seen when sunlight passes past sharply defined clouds (like cumulus clouds) when the atmosphere is slightly dusty or hazy. Light is scattered by the aerosols and the light paths past the clouds become visible. In fact, it is often the shadow rays near the clouds which are remarkable, rather than the light solar rays themselves. Solar rays are all parallel to eachother, but perspective causes the apparent divergence from the sun.
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