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Hint: They’re wearing white and only the legs and feet of one of them can be seen. Early yesterday morning, astronauts Randy Bresnik (@AstroKomrade) and Mark Vande Hei ventured outside the International Space Station (@iss) for 6 hours and 26 minutes to perform maitenance on the robotic arm used to capture visiting spacecraft and other objects. They sucessfully completed all planned tasks and even had time to acomplish a few get-ahead items, like replacing a smudged lens cover on an external camera and removing two handrails from outside one of the station’s modules. Currently, six people are living and working on the orbiting laboratory, conducting important science and research that will not only benefit life here on Earth, but will help us venture deeper into space than ever before. Credit: NASA
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What do you think this tadpole-shaped impact crater says about the water that used to fill it? Based on the terrain-height information and knowing that water always flows downhill, scientists were able to infer that the water in the tadpole crater was flowing down, and outward. The image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on our Mars Reconnaissance Orbiter. Image credit: NASA/JPL-Caltech/Univ. of Arizona #nasa #space mars