Helium
E2107411
UNEXPLORED
Helium is a powerful and technologically advanced Martian city-state in Edgar Rice Burroughs’ Barsoom series, serving as the primary home and stronghold of hero John Carter.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Helium canonical | 3 |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.