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Your search - the patrick moocs ((practical astronomy) OR (optical astronomy)) survives* - did not match any resources.
Perhaps you should try some spelling variations:
practical astronomy » nautical astronomy, positional astronomy
optical astronomy » nautical astronomy, spherical astronomy, positional astronomy
patrick moocs » patrick moore, patrick mons, patrick moyes
practical astronomy » nautical astronomy, positional astronomy
optical astronomy » nautical astronomy, spherical astronomy, positional astronomy
patrick moocs » patrick moore, patrick mons, patrick moyes
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