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Compare the Brightness of the Faintest Objects You Can See

question 35

Essay

Compare the brightness of the faintest objects you can see with your naked eye,which has an aperture of approximately 1 cm,an integration time of 100 ms,and a quantum efficiency of 10 percent,to the faintest objects you can see in a CCD image taken with a 1-m telescope.Assume the CCD has a quantum efficiency of 80 percent,and the image has an integration time of 10 minutes.


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