NASA Astronaut Ricky Arnold — Astronaut (STS-119, Expedition 55/56, NEEMO 13, #CAVES2016) & Educator. Currently onboard the @ISS for Expeditions 55 and 56. Posts are my own.
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The scattered remnants of the Aral (Sea of Islands) Sea in #Kazakhstan and #Uzbekistan, which used to be the 4th largest lake in the world. Diversion for agriculture has reduced the lake to 10% of its original size, resulting in desertification, economic collapse & public health issues. #TheStoryofWater ...more
1 month ago
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Once we captured @spacex Dragon, ground controllers at @nasajohnson took over and berthed it to station. Enjoy the robotic ballet. ...more
1 month ago
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The fireworks of #Kilauea early this morning in #Hawaii. ...more
1 month ago
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‪We hold these truths to be self-evident, that all men (people) are created equal..”‬ ‪ #HappyBirthdayAmerica from @iss! #FourthofJuly2018🇺🇸 ‬ ...more
1 month ago
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It may look like we are preparing for #WorldCup football, but @olegmks and I are really conducting a test run of SPHERES satellites on @iss. ...more
1 month ago
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@spacex #Dragon traverses #Italy & the #Nile delta in #Egypt en route to @iss. ...more
1 month ago
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‪Wishing our friends, neighbors, and partners in exploration all the best on #CanadaDay🇨🇦. Oh, and a big thank you for the amazing rides on #Canadarm! ‬ ...more
1 month ago
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Just because we have been is space for 100 days (and counting) and spaceships are cool. @northropgrumman #Cygnus & #Soyuz MS-09 docked to @iss. ...more
1 month ago
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Spacewalking. We spend about 6 ½ hours outside the @iss, but beforehand it takes almost 5 hours to get “dressed” and ready. Thanks for helping @astro_feustel and I suit up, Serena & @astro_alex_esa! ...more
1 month ago
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Last week, we deployed the @nanoracks #RemoveDEBRIS satellite from @iss. Enjoy your view of the show and your planet! ...more
1 month ago
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If all the water on Earth could fit in a 1 liter bottle, this drop represents the total that would be available for human use. #TheStoryofWater #WednesdayWisdom ...more
1 month ago
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Towering thunderstorms skate across the Straits of #Florida as dawn breaks over #Cuba. ...more
1 month ago
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