Tuesday, April 10, 2012

The anti-twilight arch

What can a belt of Venus do to an already beautiful planet?

This phenomenon forms where Earth's shadow is projected through our atmosphere and as explained by it's Optics Picture of the Day page it's a combination of the back-scattered red light and deep blue anti-sunward sky.

The moon was riding just on top of it as you can (barely) see in the large version of the image and just a few hours later I was the fortunate witness of the 2008 Perseid meteor shower :)

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