SKY-MAP.ORG
|
        | ||||
홈 | 시작하기 | To Survive in the Universe |
|
News@Sky | 천체사진 | 컬렉션 | 포럼 | Blog New! | 질문및답변 | 출판 | 로그인 |
World Catalog of Astronomical Objects The purpose of the directory to systematize all space objects and to assign each star a separate proper name