400th Anniversary of the Debut of Galileo’s Telescope
25th August 2009 by admin No CommentsOn August 25, 1609, Galileo Galilei demonstrated his telescope for the Senate of Venice. Galileo did not invent the telescope. By this time there were already telescopes readily available with a magnification of three. Galileo did design and build telescopes with higher magnifying power. The telescope he showed the Venetian senate magnified objects about nine [...]



