The Sky at Night · SEASON 35
Guarding Their Secrets
Episode 6 · 1991-05-26

- Documentary
- News
Episode overview
Dr Ian McHardy , of Southampton University, joins Patrick Moore to give the latest on BL Lacertae, the object found in the northern constellation of Lacerta, the Lizard.
Season 35 episodes
1. Mars - the Red Planet1991-01-21
2. The Fastest Clocks in the Universe1991-02-28
3. Jupiter and Family1991-03-11
4. Bombardment from Space1991-03-31
5. Wanderers in Space1991-04-28
6. Guarding Their Secrets1991-05-26
7. Saturn the Ringed Planet1991-07-01
8. Soviet Space Astronomy1991-07-29
9. The Pole Star1991-08-25
10. Galaxy in Creation?1991-09-23
11. Hubble Space Telescope1991-10-20
12. Nothing But Blue Skies1991-11-17
13. The Strangest Planet1991-12-09