“Belt of Venus” filmed from Izaña observatory

Aemet Izana has published the lovely video below of the astronomical phenomenon of the Belt of Venus, a kind of horizontal pink rainbow at sunset. The Atmospheric Optics website describes it as follows:

As twilight deepens a dark band rises upwards from the horizon, The band is the shadow of the Earth on the atmosphere. Immediately above, where the evening air is still lit, glows a pink band called the anti-twilight arch or “Belt of Venus”. The pink arises from scattered and deeply reddened sunlight mingling with the deep blues of the eastern sky.

It’s a “belt” because it goes fully round 360º. This is just beautiful! And look at the snow still around the observatory yesterday, when this was filmed by physicist Conchy Bayo who is based at the observatory!

 

 

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