Beginning in 2022, the most powerful digital camera ever built will start taking pictures of the southern sky. Over the course of a 10-year mission atop a mountain in Chile, the 3.2 gigapixel instrument is expected to accomplish a feat that might be hard to wrap your mind around. It will record tens of billions of galaxies floating in space–the first time a telescope will have ever identified more of the massive celestial objects than there are people on Earth.
The gif bellow shows the three-ton, small- car -sized camera on the left. Illustrated is the system that slides filters down in front of the 3.2 gigapixel CCD, which senses light and is a digital camera’s version of film. The filters will let the camera record in light wavelengths from the near-ultraviolet to the near-infrared.
PR:https://www6.slac.stanford.edu/news/2015-08-31-world%E2%80%99s-most-powerful-digital-camera-sees-construction-green-light.aspx
Source and further reading:http://txchnologist.com/post/129289911250/construction-starts-for-camera-that-will-capture
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