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Aug 18, 2023 · Galileo was the most famous of these imitators, and he managed, by building successively more efficient instruments, to create the most powerful existing telescope with a magnification of 33 diameters. Galileo's telescope, what he called his occhiale ('eyeglass'), had two lenses set at either end of a lead tube around 60 cm (24 in) long.
Apr 3, 2014 · (1564-1642) Who Was Galileo? Galileo was an Italian astronomer, mathematician, physicist, philosopher and professor who made pioneering observations of nature with long-lasting implications for...
The unremarkable-looking object is in fact one of the most important artifacts in the history of science: it's one of only two surviving telescopes known to have been made by Galileo Galilei,...
Feb 24, 2009 · When Galileo pointed his telescope at Jupiter, the largest planet in our solar system, he made a startling discovery. The planet had four "stars" surrounding it. Within days, Galileo figured out that these "stars" were actually moons in orbit of Jupiter. His discovery challenged common beliefs of his time about the bodies of our solar system.
In the fall of 1609 Galileo began observing the heavens with instruments that magnified up to 20 times. In December he drew the Moon ’s phases as seen through the telescope, showing that the Moon’s surface is not smooth, as had been thought, but is rough and uneven.
Jul 23, 2010 · Galileo invented an improved telescope that let him observe and describe the moons of Jupiter, the rings of Saturn, the phases of Venus, sunspots and the rugged lunar surface. His flair for...
In striving to make images he saw through his telescope ever larger, Galileo found that his field of view became ever smaller. He reached a point of diminishing returns beyond which enlarging...
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