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[Subject: Geology, Meteorology, Hydrology]
Translated by: ANA SITJA
Translated in 54 languages
[Subject: Astronomy & Allied Sciences]
- depressió circular formada en la superfície d'un cos celeste per l'impacte d'un altre cos celeste, generalment un meteorit o un cometa
Translated by: DAVID LAURENT
Translated in 6 languages