Galileo's achievements and discoveries are fundamental to our present understanding of the physical universe. A scientist of many talents, Galileo is perhaps best known for his advancements in astronomy, especially the use of the refracting telescope to better understand the cosmos - including observations of the moon, supernovae, and our solar system, discovering the four largest moons of Jupiter, still referred to as the Galilean moons, and the phases of Venus. His observations led him to champion Copernicus's heliocentric view of the solar system, at the time controversial but now known to be factual. In addition to astronomy, Galileo achieved many other physical discoveries, including the laws of motion still fundamental to modern kinematics and a basic understanding of gravity based on the observation that bodies of unlike weights accelerate similarly in free fall.His practical contributions included research on conic sections to develop more accurate artillery aiming, the development of a thermometer based on fluid dynamics, and refinements to the design of the refracting telescope. 1,359 Item as described. Rec'd item, looking forward to doing business with again.
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