cosmologist
🇺🇸
/kɑːzˈmɑːlədʒɪst/
🇬🇧
/kɒzˈmɒlədʒɪst/
A person who studies the universe, its beginnings, and how it has changed over time.
The cosmologist gave a fascinating lecture about the formation of galaxies.
우주학자가 은하의 형성에 대한 매력적인 강의를 진행했습니다.