Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light across space.

The States-General did give Lippershey 900 florins for his telescope, under the condition that it be transformed into a binocular device. By the end of 1608, King Henry IV of France had been given ...

1609: Refracting telescopes Image Title: “Galileo offering his telescope to three women (possibly Urania and attendants) seated on a throne; he is pointing toward the sky where some of his ...