(Q1242643)
Statements
Identifiers
Sonnenbeobachtung
1 reference
523.7
0 references
Sitelinks
Wikipedia(5 entries)
- dewiki Sonnenbeobachtung
- enwiki Solar observation
- frwiki Observation du Soleil
- lbwiki Sonnenobservatioun
- zhwiki 太陽觀測
study of the Sun's behavior
No description defined