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English
[en]
Stratoscope I possessed a 12-inch (30.48 cm) mirror and was first flown in 1957.
Korean
[ko]
성층권망원경 1호(Stratoscpoe I)에는 30.48센티미터(12인치) 크기의 거울이 탑재되었으며, 1957년에 공중에 띄웠다.
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