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  From The Ground: Astronomy: From The Ground - CCD-CCD TECHNOLOGY
Posted on Thursday, December 02 @ 14:15:55 CST by astronomy
 
 
  From The Ground

CCD TECHNOLOGY

In the 1970s, a light-sensitive electronic charge-coupled device, known as the CCD, increased the telescope's light-gathering capability a hundredfold and revolutionized astronomical imaging.

Today, CCDs are popular with amateurs and professionals alike, and are widely used in all aspects of astronomical research, from studying variations in starlight to imaging the centers of active galaxies. Although their resolution is lower than fine-grained film, they are far more efficient at gathering light and exposure times are shorter.

 
 
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