スコット・ケリーのインスタグラム(stationcdrkelly) - 2月23日 06時52分

Awesome news! @NASA announced today it has discovered 7 Earth-sized planets around a single star outside our solar system; 3 in habitable zone. Send me! I'll be there in 800,000 years with our current propulsion technology. More work to do. Let's get on it! #TRAPPIST1 #theskyisnotthelimit #endurance #discovery #keepexploring #nasa #space #explore

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