The telescope dates back all the way to 1609, sir Galileo had just created the first telescope. The lens was only one-and-a-half inches in diameter while being attached to a simple wooden tube, such a simple invention gave birth to modern astronomy. Just 61 years after the original telescope, the refracting telescope was born, and it blew out the competition stretching to 150 feet long. This telescope was created by Johannes Hevelius in Danzig, this telescope hung by an enormous pole and undulated in the slightest gust of wind. Moving on to 1845 in Ireland, Lord Rosse completed construction of the first reflecting telescope, this invention is known as the “Leviathan of Parsonstown.” This telescope had a six-foot-diameter primary mirror, and
