earthstory:

Diverging Parallel Light Rays?..

Crepuscular rays appear to burst out of the sun and up into the sky; or burst out of the sun and down onto the horizon. They fool the naked eye because as divergent and widespread as they may appear, the rays are actually parallel to one another. The rays only appear to be angled and sprouting from a central point mostly due to atmospheric variables.

A couple things need to happen in order for these types of rays to become visible.

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