Horizon presents evidence that links the drought cycle with the number of magnetically-hyperactive sunspots.
| Title | The Sunspot Mystery |
|---|---|
| Genres | Documentary |
| Release Date | 1977-10-07 |
| Episode Runtime | 01 Hours 00 Minutes |
| Season Number | 14 |
| Episode Number | 19 |
| Production Companies |
No cast information available.
