space technology
preferred label: فناوری فضایی @fa
type: Concept
narrower: ufo

extraterrestrial civilizations
preferred label: تمدن‌های برون‌زمینی @fa
type: Concept
related: ufo

ufo
alternative label: OBJETOS VOLANTES NO IDENTIFICADOS
related: extraterrestrial civilizations
related: spacecraft
broader: space technology
preferred label: بشقاب‌پرنده @fa
type: Concept

spacecraft
preferred label: فضاپیماها @fa
type: Concept
related: ufo