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ASTRONOMY
Biggest ever digital camera heads to Chile
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Researchers at the SLAC National Accelerator Laboratory have finished building the biggest ever astronomical camera. It will create a movie of the universe, imaging the whole southern sky in unprecedented detail every 3 days.
Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory
Researchers install the first of 21 arrays of image sensors that together make up the camera’s 3200-megapixel detector.
Farrin Abbott/SLAC National Accelerator Laboratory
The smallest of the camera’s three lenses, called L3, is 72 centimeters across. It optically corrects the light passing through the camera before it falls on the image sensors.
Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory
A crane is used to line up the two larger lenses, L1 and L2, with the camera body. At 1.55 meters across, L1 is the largest lens ever made for astronomy.
Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory
The finished camera, as big as a car and weighing almost 300...
Source: Science of Aging Knowledge Environment - Category: Geriatrics Source Type: research
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