Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
polar caps  | |
|---|---|
| RT | Antarctic Polar Cap |
| extraterrestrial geology | |
| Mars | |
| Moon | |
| North Pole | |
| polar regions | |
| South Pole | |
| SN | As of 1993, term may be used for caps on Earth or on other bodies. From 1989-1992, it was restricted to polar caps of extraterrestrial bodies; North Pole, South Pole, Polar regions or Antarctic Polar Cap was used for the Earth. For Mars before 1993, also |