Who made the first astronomical telescope? In 1608, Dutch optician Liebersch accidentally discovered that placing a concave lens and a convex lens in a straight line could bring distant objects closer. So he put two lenses into a cylinder, one behind the other, to make the world's first telescope, and reported the invention to the Dutch Supreme Administrator, who asked him to build a batch of such telescopes for the Dutch Navy. So many people believe that Liebosch was the inventor of the telescope. His neighbor, Jensen, another eyewear manufacturer, argued that he had invented the telescope many years ago and that he should have priority over the invention. But Jensen did not publish and report his invention in time, so he was not recognized by most people. In 1609, Galileo, who was teaching at the University of Padua, heard the news that the Dutch had invented the telescope. He bought a plano-convex lens and a plano-concave lens from an eyeglass shop to use it as an objective lens and eyepiece respectively, and also made a telescope. After continuous improvement, he finally made an excellent telescope with a diameter of 4.4 centimeters, a tube length of 1.2 meters, and a magnification of more than 30 times. Galileo was the first to use telescopes for astronomical observations and made many discoveries.
Who built the first astronomical telescope
This article revolves around the controversy over the production of the first astronomical telescope: in 1608, Dutch optician Liebersch accidentally discovered that a lens combination could bring distant objects closer, and made the world's first telescope and reported it to the Dutch government, where he received an order from the Navy; neighbor Jensen claimed that it was invented early but was not announced; in 1609, Galileo improved the telescope for astronomical observations based on this.
