Galileo’s renderings revealed the moon’s shadows as craters, hills and valleys. ... “It’s not that Galileo used drawing just to illustrate the ideas he had already discovered, ...

The image above is the first known drawing of the Moon made using a telescope. It was done by Thomas Harriot in July 1609, many months before Galileo published his own drawings.

Galileo announced his findings in the short pamphlet Starry Messenger published in March of 1610, which contained more than seventy drawings of his Moon observations. The reactions were extreme.

For the past four centuries Galileo has been celebrated as the father of modern astronomy. But the Italian philosopher's claim to fame may owe more to 17th century self-promotion.

Yes, at least according to the BBC, which is running a news story about Thomas Harriot, who apparently used a telescope to draw maps of the moon about four months before Galileo famously turned his ...

Briton drew pictures of the moon before Galileo Drawings of the moon completed by British cartographer Thomas Harriot and pre-dating Galileo are to go on public display. 14 January 2009 • 2:54pm ...

On a clear night in July of 1609, English polymath Thomas Harriot pointed his “Dutch perspective glass” toward the crescent moon. The crude lunar map he sketched from his observations dates him as the ...

In a very short time, Galileo discovered Jupiter's four largest moons — Io, Europa, Ganymede, and Callisto, now called the Galilean moons. Each moon has unique characteristics that make it stand ...

On Jan. 7, 1610, Galileo discovered four moons revolving around Jupiter — a discovery that would change his life forever. These four moons are Jupiter’s largest satellites — lo, Europa ...