In 1609, Galileo Galilei first looked through his telescope, and changed science forever. His discoveries provided solid evidence that disproved the prevailing belief that the Earth was the centre of the Universe. Throughout history, scientists such as Johannes Kepler and Sir Isaac Newton further revolutionised the design of the telescope. To celebrate the International Year of Astronomy 2009, Sky-Watcher is proud to present special commemorative editions as a tribute to this rich ‘heritage’.