The Keck Telescope (on Mauna Kea, Hawaii) has an aperture D = 10.0 m. Its Cassegrain focus has f/15. What is the focal length and plate scale?
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The Keck Telescope (on Mauna Kea, Hawaii) has an aperture D = 10.0 m. Its Cassegrain focus has f/15. What is the focal length and plate scale?
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