As sunlight enters our atmosphere, it bends slightly.  This is due to refraction, the same thing that makes a pencil look slightly askew when you stick it half way into a glass of water.

As sunlight enters our atmosphere, it bends slightly. This is due to refraction, the same thing that makes a pencil look slightly askew when you stick it half way into a glass of water.

As sunlight enters our atmosphere, it bends slightly.&nbsp; This is due to refraction, the same thing that makes a pencil look slightly askew when you stick it half way into a glass of water.

When The Sky Turns Green

You have questions and A Moment of Science has answers. Short science videos and audio science podcasts provide the scientific story behind some of life\'s most perplexing mysteries. There\'s no need to be blinded by science. Explore it, have fun with it, but most of all learn from it. A Moment of Science is a production of WFIU Public Media from Indiana University in Bloomington, Indiana.

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When The Sky Turns Green

When The Sky Turns Green