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Sat, March 25, 2023 | 20:52
National
Korea becomes 7th nation to explore moon
한국, 세계 7번째 달 탐사국
Posted : 2022-12-29 14:49
Updated : 2022-12-29 14:49
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The Danuri lunar orbiter / Courtesy of Ministry of Science and ICT달 탐사선 다누리
The Danuri lunar orbiter / Courtesy of Ministry of Science and ICT
달 탐사선 다누리

Danuri successfully settles into lunar orbit earlier than expected
다누리, 예상보다 일찍 달 궤도 진입 성공


By Park Jae-hyuk

Korea's first domestically developed lunar orbiter successfully settled into the moon's orbit, enabling the country to step closer to its goal of becoming a global powerhouse in the space economy.
우리나라의 첫 달 탐사선이 달 궤도 진입에 성공하며 세계 우주 경제의 강국이 되겠다는 한국의 목표에 한 발짝 다가섰다.


The Ministry of Science and ICT and the Korea Aerospace Research Institute (KARI) said Wednesday that the Danuri, also known as the Korea Pathfinder Lunar Orbiter, was stably captured by the moon's gravity a day earlier to rotate 100 kilometers above its surface every two hours.
과학기술정보통신부와 한국항공우주연구원은 수요일 한국 첫 달 궤도선으로도 알려진 다누리가 하루 일찍 달의 중력에 안착하여 달 상공 100km 주변을 약 2시간 주기로 공전하고 있다고 전했다.


As a result, Korea became the seventh country in the world to explore the moon, following Russia, the U.S., Japan, the European Union, China and India.
이로써 한국은 러시아, 미국, 일본, 유럽연합(EU), 중국, 인도에 이어 세계 7번째 달 탐사 국가 대열에 합류했다.


"The Danuri, which left the earth 145 days ago, succeeded in entering the moon's orbit," President Yoon Suk-yeol wrote on Facebook. "It is a historic moment telling the world of the excellence of Korea's space and science technology and marking a leap to one of the top seven space powers in the world."
윤석열 대통령은 페이스북에 "145일 전 지구를 떠난 다누리호가 달 궤도 진입에 성공했다"며 "대한민국이 전 세계 우주과학기술의 우수성을 알리고 세계 7대 우주 강국으로 도약한 역사적인 순간"이라고 덧붙였다.


He also expressed his gratitude to researchers who were responsible for the development of the Danuri.
윤 대통령은 또한 다누리호 개발에 매진해 온 연구자들에게 감사를 표했다.


Carried by SpaceX's Falcon 9 rocket, the unmanned space vehicle was launched from Cape Canaveral Space Force Station in Florida on Aug. 5.
스페이스X의 팰컨9 로켓에 실려 발사된 이후 이 무인 궤도선은 지난 8월 5일 미국 플로리다주 케이프커내버럴의 우주군 기지에서 발사되었다.


KARI had initially planned to conduct five lunar orbit insertion (LOI) maneuvers to decelerate the Danuri's speed from about 8,000 kilometers per hour to about 5,800 kilometers per hour.
항우연은 당초 시속 8천km로 날아가던 다누리의 속도를 시속 약 5천8백km로 늦추기 위해 임무 궤도에 다가가는 진입 기동을 다섯 번으로 계획했다.


The institute, however, successfully obtained the Danuri's flight data after the first LOI on Dec. 17 and verified the stability of the maneuver. It therefore decided to skip additional insertion maneuvers, making the orbiter enter the moon's orbit two days earlier than initially planned.
그러나 항우연은 지난 12월 17일 1차 진입 기동 후에 다누리의 비행 데이터를 성공적으로 확보했으며 기동 운영 안정성을 확인했다. 그 결과 추가적인 진입 기동은 생략하기로 하며 다누리의 달 궤도 진입도 당초 계획보다 이틀 앞당겨졌다.


According to KARI, the Danuri will carry out scientific missions for about a year from February, following test operations in January.
항우연에 따르면 다누리는 내년 1월 시험 운전을 거쳐 2월부터는 본격적으로 달 탐사 과제를 수행할 예정이다.

KEY WORDS
■ lunar orbit 달의 공전 궤도
■ powerhouse 유력[실세] 집단[기관]
■ stably 안정되게
■ rotate 회전하다
■ gratitude 고마움, 감사
■ unmanned (기계·차량 등이) 무인의
■ launch (우주선 등을) 발사하다
■ decelerate 속도를 줄이다
■ obtain (특히 노력 끝에) 얻다
■ verify (진실인지) 확인하다
■ carry out 수행하다

기사 원문 보기


Emailywjeon@ktimes.com Article ListMore articles by this reporter
 
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