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This video showcases the 10 most liked posts from the year. From images of our beautiful planet Earth to the 2017 total solar eclipse, we shared the universe with our more than 29 million followers on Instagram. Thank you for a spectacular year! 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