Horizon
The Sunspot Mystery (1977x21)
Udgivelsesdato: Okt 07, 1977
Horizon presents evidence that links the drought cycle with the number of magnetically-hyperactive sunspots.
- Premieret: Feb 1964
- Afsnit: 1202
- Følgere: 91
- Kørende
- BBC Two
- Torsdag på 21
