Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater, NASA's Mars Reconnaissance Orbiter (MRO) shows a field of classic barchan dunes on Jan. 24, 2018. via NASA https://ift.tt/2M9bzkO
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Hubble Spots a Starry Spiral
This NASA Hubble Space Telescope image features the glittering spiral galaxy NGC 3137, located 53 million light-years away in the constellat...
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Astronaut Bruce McCandless II approaches his maximum distance from the Earth-orbiting Space Shuttle Challenger in this 70mm frame photograp...
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An astronaut aboard the International Space Station took this oblique photograph of the Sulaiman Mountains in central Pakistan. The range r...
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This image of Jupiter’s iconic Great Red Spot and surrounding turbulent zones was captured by NASA’s Juno spacecraft. The color-enhanced im...
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