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Questions and Answers
Which of the following is the primary function of our eyes?
What is a detector?
How can a telescope be used like a camera?
Why do astronomers sometimes use long exposure times when taking photographs with telescopes?
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What are CCDs used for in astronomy?
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Which of the following best describes a CCD?
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Photometry is different from photography because it
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What is the purpose of a spectrograph in spectroscopy?
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What are emission and absorption lines in spectroscopy?
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Why is a slit used in spectroscopy?
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