Wednesday, August 17, 2011

ESO VLT: Deep in the Chilean Atacama Desert

Snow rarely falls in the Chilean Atacama Desert, where ESO's Very Large Telescope sits atop Cerro Paranal, a 8500-foot-high (2600-meter-high) mountain. 

The Atacama Desert is a very dry place with humidity often dropping below 10 percent and rainfall of less than 0.4 inches (10 millimeters) per year. 

This picture, taken shortly before sunrise, shows the landscape of the Atacama and the mountaintop domes of the VLT, and also the night sky. 

To the left of the VLT is a satellite trail, and to the right a meteor streaks through the sky. [View all images]

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