Horizon
Magnet Earth (1980x10)
Udgivelsesdato: Mar 24, 1980
Looks at what is known about the earth's magnetic field, how it affects the world's organisms and in particular at recent research in this field.
- Premieret: Feb 1964
- Afsnit: 1202
- Følgere: 91
- Kørende
- BBC Two
- Torsdag på 21