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¡¤ https://www.bbc.com/korean/news-46743877
¡¤ https://ko.wikipedia.org/wiki/%EC%B0%BD%EC%96%B4_4%ED%98%B8
¡¤ http://www.hani.co.kr/arti/international/china/878366.html#csidx68c813952a68266a491478f3132e158
¡¤ https://en.wikipedia.org/wiki/Chandrayaan-2
¡¤ https://www.sedaily.com/News/NewsView/NewsPrint?Nid=1KUX4FOKNT
¡¤ https://www.sciencetimes.co.kr/
¡¤ https://m.blog.naver.com/PostView.nhn?blogId=chsshim&logNo=50157947681&proxyReferer=https%3A%2F%2Fwww.google.com%2F
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¡¤ http://global.jaxa.jp/
¡¤ https://ko.wikipedia.org/wiki/%ED%95%98%EC%95%BC%EB%B6%80%EC%82%AC_2%ED%98%B8
¡¤ https://www.msn.com/ko-kr/news/world/%EC%95%84%ED%95%98-%EC%9A%B0%EC%A3%BC-%EC%88%98%EC%84%B1-%EB%B9%84%EB%B0%80-%ED%8C%8C%ED%97%A4%EC%B9%98%EB%A0%A4%E2%80%A6%ED%83%90%EC%82%AC%EC%84%A0-%EB%B2%A0%ED%94%BC%EC%BD%9C%EB%A1%AC%EB%B3%B4-%EB%8C%80%EC%9E%A5%EC%A0%95-%EC%98%AC%EB%9D%BC/ar-BBOEInV#page=2
¡¤ https://ko.wikipedia.org/wiki/%EB%B2%A0%ED%94%BC%EC%BD%9C%EB%A1%AC%EB%B3%B4