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About observational astronomy

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Astronomers can gain an understanding of objects in the universe by using a telescope. A CCD imaging system is a type of digital camera that is very sensitive to the dim light from distant objects. The CCD camera is attached to a telescope and the images are stored on a computer where they can later be analyzed. In this learning activity a computer program will be used to view and study images taken with telescopes to learn basic concepts in astronomy.


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