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  2. Galileo Galilei - Wikipedia

    en.wikipedia.org/wiki/Galileo_Galilei

    Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei (/ ˌ ɡ æ l ɪ ˈ l eɪ oʊ ˌ ɡ æ l ɪ ˈ l eɪ /, US also / ˌ ɡ æ l ɪ ˈ l iː oʊ-/; Italian: [ɡaliˈlɛːo ɡaliˈlɛːi]) or mononymously as Galileo, was an Italian [a] astronomer, physicist and engineer, sometimes described as a polymath.

  3. History of the telescope - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telescope

    Notes on Hans Lippershey's unsuccessful telescope patent in 1608. The first record of a telescope comes from the Netherlands in 1608. It is in a patent filed by Middelburg spectacle-maker Hans Lippershey with the States General of the Netherlands on 2 October 1608 for his instrument "for seeing things far away as if they were nearby." [12] A few weeks later another Dutch instrument-maker ...

  4. Sidereus Nuncius - Wikipedia

    en.wikipedia.org/wiki/Sidereus_Nuncius

    Galileo's drawings of Jupiter and its Medicean Stars from Sidereus Nuncius. Image courtesy of the History of Science Collections, University of Oklahoma Libraries. In the last part of Sidereus Nuncius, Galileo reported his discovery of four objects that appeared to form a straight line of stars near Jupiter. On the first night he detected a ...

  5. History of astronomy - Wikipedia

    en.wikipedia.org/wiki/History_of_astronomy

    Galileo Galilei was among the first to use a telescope to observe the sky, and after constructing a 20x refractor telescope. [83] He discovered the four largest moons of Jupiter in 1610, which are now collectively known as the Galilean moons, in his honor. [84] This discovery was the first known observation of satellites orbiting another planet ...

  6. Galilean moons - Wikipedia

    en.wikipedia.org/wiki/Galilean_moons

    Galileo Galilei, the discoverer of the four moons. As a result of improvements that Galileo Galilei made to the telescope, with a magnifying capability of 20×, [5] he was able to see celestial bodies more distinctly than was previously possible. This allowed Galileo to observe in either December 1609 or January 1610 what came to be known as ...

  7. Scientific Revolution - Wikipedia

    en.wikipedia.org/wiki/Scientific_Revolution

    The discoveries of Kepler and Galileo gave the theory credibility. Kepler was an astronomer who is best known for his laws of planetary motion , and Kepler´s books Astronomia nova , Harmonice Mundi , and Epitome Astronomiae Copernicanae influenced among others Isaac Newton , providing one of the foundations for his theory of universal ...

  8. Timeline of telescopes, observatories, and observing technology

    en.wikipedia.org/wiki/Timeline_of_telescopes...

    The Wilson Chronology of Science and Technology: A Record of Scientific Discovery and Technological Invention, from the Stone Age to the Information Age. New York : H.W. Wilson. ISBN 978-0-8242-0933-9. Rushdī Rāshid; Régis Morelon (1996). Encyclopedia of History of Arabic Science: Astronomy- theoretical and applied. Psychology Press.

  9. History of Mars observation - Wikipedia

    en.wikipedia.org/wiki/History_of_Mars_observation

    The first telescopic observation of Mars was by Galileo Galilei in 1610. Within a century, astronomers discovered distinct albedo features on the planet, including the dark patch Syrtis Major Planum and polar ice caps. They were able to determine the planet's rotation period and axial tilt.