Caltech Submillimeter Observatory under the arch of the Milky Way. This is probably one of the last photos of CSO in use, before operations ceased in Sept. 2015. The telescope is lit by dim red and green LED lights. This photos hows the connection between our desire to explore the universe, and the cosmos itself.
Technical details: D700 + 16mm fisheye, 16mm, 30 sec., f/2.8, ISO 6400"
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