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Proton-M/Blok DM-03
・Spektr-RG
21日 21:17 打ち上げ
ガンマ線天文衛星「Spectr-RG」
https://www.roscosmos.ru/26441/
http://bit.do/Spektr-RG
https://youtu.be/gP1Ufiz9oaI
академик В.Н. Челомей
https://tinyurl.com/y6rv9psb
