past geological news hiding a relatively tall frequency of space
geological_age is not geological_time_period. ancient_history is common_knowledge. geological_era is geological_time_period. astrology has roots_in_prehistoric_times endogeny is not geological_phenomenon. ancient_history is not common_knowledge. geological_age is geological_time_period. history_of_astronomy is not history. range is geological_formation. range is not geological_formation.