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How do CCDs work? | Astronomy.com
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FROM THE January 2014 ISSUE

How do CCDs work?

Robert Morstadt, Brigham City, Utah
Published: Monday, November 25, 2013
RELATED TOPICS: CCD (CHARGE-COUPLED DEVICE)
When a camera shutter is open, photons of light hit the pixels on the CCD.

While most people had little experience with charged coupled devices (CCDs) as recently as 10 years ago, digital cameras containing one are much more common today. Astronomers jumped on the CCD bandwagon early on — in 1979.

Astronomy magazine subscribers can read the full answer for free. Just make sure you're registered with the website.

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