The Sky at Night - Season 32 - Eps 3: Yerkes Observatory
Yerkes Observatory, at Williams Bay near Chicago, is a most unusual place. Its main telescope is not a reflector, but a refractor - the world's largest Old-fashioned though it may look, Yerkes is in the forefront of scientific research, as Patrick Moore explains when he goes there to talk to the director, Dr Al Harper, and members of the observatory's staff.
About The Sky at Night
Title: The Sky at Night
First Air Date: 1957-04-24
Last Air Date: 2025-10-13
Status: Returning Series
Rating: 8.3/10 (from 13 votes)
Language: EN
Seasons: 70
Total Episodes: 846
Network: BBC Four
Genres: Documentary, News
Production Companies: Unknown
Synopsis
Your monthly journey through the fascinating world of space and astronomy with the latest thinking on what's out there in space and what you can see in the night sky.