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Spotlight:
The Galileo Manuscript
The Michigan Galileo Manuscript, held in the Special Collections Library, is a draft of a letter to the Doge of Venice explaining the usefulness of the telescope.
In the lower part of the letter Galileo shows the use of this optical device: as he viewed the skies on successive evenings in January, 1610, he noted his first observations of the planet Jupiter and four of Jupiter's moons.








