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HISTORY History of Science and Technology History of the Telescope

History of the Telescope

From Lippershey's Patent to Space Observatories: The Evolution of Telescopes Over Four Centuries

3 days ago

What was the key innovation introduced by Isaac Newton in telescope design, and why was it significant?

Newton invented the achromatic lens that reduced color distortions in refracting telescopes. Newton developed the first radio telescope to observe wavelengths beyond visible light. Newton built the first reflecting telescope using a small flat diagonal mirror to reflect light to an eyepiece on the side, which reduced chromatic aberration inherent in refracting telescopes.