seongunjuwi
circumgalactic
circumgalactique
성운주위의 물질은 은하의 형성에 중요한 역할을 한다.
seongunjuwiui muljireun eunha-ui hyeongseong-e jungyohan yeoghal-eul handa.
The material in the circumgalactic region plays an important role in galaxy formation.
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