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d라이브러리

"escape"(으)로 총 11건 검색되었습니다.

감마선의 시사과학동아 l1988년 05호

field then becomes monstrously intense; a teaspoon of its matter weighs a million tons. Light itself can barely escape from it. Neutron stars were discovered only in 1969, and astronomers are c ...

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