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The First Telescopes (Cosmology: Tools)
Which Inventor Created The Telescope? Is It Really Galileo?
The history of the telescope | Royal Museums Greenwich
Galileo and the Telescope | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress
Dover The History of the Telescope
History Of Telescope | Inventions & Discoveries | Educational Videos For Children - YouTube