400 Years of the Telescope by Ian Morison

A lecture to coincide with the 400th anniversary of the first use of a telescope to observe the heavens by Galileo Galilei in 1609. The lecture charts the development of optical telescopes since then, the subtle ideas that are greatly improving their performance and how they are bringing ever-further parts of the universe within our reach.

About the Lecturer
Ian Morison is Emeritus Gresham Professor of Astronomy and Fellow of Gresham College.

Related Links:
Hunting the Edge of Space
Galileo's Battle for the Heavens