Young's Project: 7 astronauts who were the last humans ever to visit, repair & upgrade Hubble Telescope

2015년 5월 19일 화요일

7 astronauts who were the last humans ever to visit, repair & upgrade Hubble Telescope

Meet the 7 astronauts who were the last humans ever to visit, repair & upgrade the incredible @NASA_Hubble Telescope https://t.co/PlU0tkPHwY
— NASA (@NASA) 2015년 5월 16일

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