Die Sonnenaktivität 1979.
Abstract
- Publication:
-
Orion: Zeitschrift für Amateur-Astronomie
- Pub Date:
- 1979
- Bibcode:
- 1979Orion..37..170L
- Keywords:
-
- Sun;
- Sunspots;
- Solar Faculae;
- Solar Activity Cycles;
- Solar Patrol