Smithsonian Magazine Ella Feldman Daily Correspondent, Edited by -Amal Udawatta, The forged manuscript in the university’s collection Courtesy of the University of Michigan Library The fake document at the University of Michigan was likely created by a famous 20th-century forger For nearly a century, the University of Michigan possessed a piece of paper that it considered “one of the jewels” of its library. Believed to have been written in 1609 and 1610 by astronomer and physicist Galileo Galilei , it features a letter signed by the scientist describing a new telescope and sketches of moons orbiting Jupiter. The university held that it was the “first observational data that showed objects orbiting a body other than the earth.” Galileo did use a new telescope in 1610 to discover that moons orbit around Jupiter—a finding that helped substantiate Nicolaus Copernicus ’ heliocentric theory —but he did not write the manuscript, the university announced last week following an inve