Jeff Williamsさんのプロフィール画像

Jeff Williamsさんのイラストまとめ


NASA Astronaut, US Army Colonel, experimental test pilot, husband, father, grandfather. Bringing the International Space Station to you.
nasa.gov/mission_pages/…

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The Great Salt Desert in eastern Iran has some incredible looking geologic structures known as salt domes.

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Among my favorite glaciers!

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