How the world’s first telescope appeared
JUN 08, 2009
DOI: 10.1063/PT.5.023404
NPR : Without the telescope, astronomers would be blind to many marvels of the universe. But how did the device come to be? Science historian Albert van Helden explains how a Dutch spectacle-maker’s invention made its way to Galileo, enabling him to spot Jupiter’s moons.
© 2009 American Institute of Physics
