Hypothetical scenario: The ancient Greeks had invented a telescope in 200 BC. By what time would the knowledge of astronomy reach the current astronomical knowledge? - Quora
![Greek Astronomer Studying the Stars, illustration from Book 1 Part 5 Chapter 17 of 'The Principles of Philosophy' by Anthony Le Grand, engraving by Johannes Kip (1652/3-1722), 1694 (engraving), G. Freman (fl. Greek Astronomer Studying the Stars, illustration from Book 1 Part 5 Chapter 17 of 'The Principles of Philosophy' by Anthony Le Grand, engraving by Johannes Kip (1652/3-1722), 1694 (engraving), G. Freman (fl.](https://c8.alamy.com/comp/2BE0HG1/greek-astronomer-studying-the-stars-illustration-from-book-1-part-5-chapter-17-of-the-principles-of-philosophy-by-anthony-le-grand-engraving-by-johannes-kip-16523-1722-1694-engraving-g-freman-fl-17th-century-the-earliest-recorded-working-telescopes-were-the-refracting-telescopes-that-appeared-in-the-netherlands-in-1608-2BE0HG1.jpg)
Greek Astronomer Studying the Stars, illustration from Book 1 Part 5 Chapter 17 of 'The Principles of Philosophy' by Anthony Le Grand, engraving by Johannes Kip (1652/3-1722), 1694 (engraving), G. Freman (fl.
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Ancient Greek Astronomy and Cosmology | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress
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2,000-Year-Old Greek Astronomical Calculator: Experts Recreate a Mechanical Cosmos for the World's First Computer
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