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  1. Galileo Galilei - Wikipedia

    Galileo studied speed and velocity, gravity and free fall, the principle of relativity, inertia, projectile motion, and also worked in applied science and technology, describing the properties of the …

  2. Galileo | Biography, Discoveries, Inventions, & Facts | Britannica

    Nov 27, 2025 · Galileo was a natural philosopher, astronomer, and mathematician who made fundamental contributions to the sciences of motion, astronomy, and strength of materials and …

  3. Galileo Galilei - HISTORY

    Jul 23, 2010 · Galileo Galilei (1564-1642) is considered the father of modern science and made major contributions to the fields of physics, astronomy, cosmology, mathematics and philosophy.

  4. Who Was Galileo Galilei? Life Story of the Father of Modern Science

    Jul 31, 2025 · Galileo was the eldest of six children. Early on, it was clear that his mind was not content with the everyday. He observed things others ignored. A swinging chandelier in the …

  5. Galileo Galilei - Stanford Encyclopedia of Philosophy

    Mar 4, 2005 · Galileo Galilei (1564–1642) plays a central role in any history of science and many histories of philosophy. He is a—if not the —central figure of the Scientific Revolution of the …

  6. Galileo Galilei – Smarthistory

    What Galileo achieved in revolutionizing physics was to show how observation, careful measurement, and attention to the structure of a given event—all led to an appreciation of …

  7. The Galileo Project | Galileo - Rice University

    The Galileo Project explores the life and scientific contributions of Galileo Galilei, providing insights into his discoveries and their impact on modern science.

  8. Galileo Galilei - World History Encyclopedia

    Sep 5, 2023 · Galileo Galilei (1564 to 1642) was an Italian mathematician, physicist, astronomer, and natural philosopher.

  9. OTD In Space - January 7: Galileo Discovers 3 Moons of Jupiter

    18 hours ago · On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at Jupiter through his telescope, he saw what …

  10. Galileo Galilei - Biography, Facts and Pictures

    Galileo Galilei – most people simply call him Galileo – was one of the most significant people in the history of science. He lived at a crucial crossroads in time, when different strands of …