Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years. via NASA https://ift.tt/2GDsf1J
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Weekends on the Space Station
Weekends on the International Space Station are for housecleaning and haircuts. NASA astronaut Jessica Meir trims the hair of fellow NASA a...
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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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This image of the Andromeda galaxy uses data from NASA’s retired Spitzer Space Telescope. Multiple wavelengths are shown, revealing stars (...
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