Astronaut captures dune shaped Sahara mountains from space
French astronaut Thomas Pesquet shared an image of Sahara desert mountains from the International Space Station. Pesquet tweeted, "Dunes give way to the mountains and the riverbed becomes a sand sea: the desert of rocks. Orange and yellow merge into brown tones #EarthArt." The astronaut is known to share photos of various landscapes and cities from the Earth-orbiting station.