A Look Back at Galileo’s Telescopes
摘要
Galileo Galilei did not invent the telescope, but he made tremendous progress in improving and transforming it into an invaluable astronomical instrument. While the overall history of Galileo’s telescope is well known, some details on the adaptability of the instrument to the particular astronomical target being observed, as well as the actual creation of the incomparable more-than-thirty-magnification instrument mentioned in the Sidereus Nuncius, still deserve more accurate historical evaluation.