Robert Julius Trumpler
E962790
UNEXPLORED
Robert Julius Trumpler was a Swiss-American astronomer best known for his pioneering work on open star clusters and for demonstrating the existence of interstellar extinction.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Robert Julius Trumpler canonical | 4 |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.