Since 1938, the University of Michigan Library has proudly displayed what they thought to be a 1609 manuscript, penned by Galileo Galilei himself ... of a recently-built telescope in 1609.

"Galileo Galilei (1564–1642 ... for science set the stage for his later achievements. In 1609, Galileo constructed his first telescope, where he made a series of astonishing discoveries that ...

The first known drawing of the moon through a telescope, by Thomas Harriot, dated 26 July 1609. The drawing pre-dated Galileo Galilei's by several weeks—but it was the latter that won ...

Galileo Galilei was an ... On August 25, 1609, Galileo accompanied the Doge with a group of officials to the top of the Campanile in Venice. The telescope he brought for the Doge had a ...

Galileo Galilei ... In the fall of 1609 and the winter of 1610, he aimed this instrument at the night sky and made a series of jaw-dropping discoveries. With his telescope, he observed that ...

Shortly after he began producing his binoculars, news of the telescope reached Galileo. These days, the telescope is mostly ...