cos·mol·o·gy
noun/kɒzˈmɒlədʒi/
/kɑːzˈmɑːlədʒi/
[uncountable]- the scientific study of the universe and its origin and development
宇宙学 Word Originmid 17th cent.: from French cosmologie or modern Latin cosmologia, from Greek kosmos ‘order or world’ + -logia ‘discourse’.