The Sky at Night · SEASON 32
Yerkes Observatory
Episode 3 · 1988-03-30

- Documentary
- News
Episode overview
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.
Season 32 episodes
1. The Winter Sky1988-01-17
2. The Brilliant Planets1988-02-21
3. Yerkes Observatory1988-03-30
4. The Awakening Sun1988-04-10
5. Quasars, Redshifts and Controversy1988-05-08
6. Planets Revisited1988-06-05
7. The Summer Sky1988-07-10
8. Cosmic Fireworks1988-07-31
9. Watch This Space1988-08-21
10. Mars in Close-Up1988-09-11
11. Observing the Autumn Sky1988-10-16
12. Radio Stars1988-11-14
13. Close Encounters1988-12-11