Introduction to Telescopes (1 of 2)
Join award winning teacher Jonathan Bergmann as he interactively teaches Astronomy: Introduction toTelescopes.  The tool of the trade of astronomy is the telescope. This lesson describes the basics of telescopes, history of the telescope, and the way modern astronomers utilize the telescope.  The powers of telescopes (collecting, focusing, and resolving) are also explained.  (09:51)
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