The Sky at Night

Name: The Sky at Night S33E6 - Telescopes for the 90s
Uploaded: 1989-06-04
Description: New generation astronomical telescopes are entirely different from those of the past. They have different types of mountings; their main mirrors are made in a new way, and in some cases there are separate telescopes working in combination. Dr Ron Maddison talks about this new revolution in telescope making.