[지식] 올베르스의 역설

LINK : //search.naver.com/search.naver?sm=top_txt&where=nexearch&ie=utf8&query=%EC%98%AC%EB%B2%A0%EB%A5%B4%EC%8A%A4%EC%9D%98%20%EC%97%AD%EC%84%A4%EC%9D%B4%EB%9E%80