Darkish Sand Cascades on Mars

Are these timber rising on Mars? No. Groups of unlit brown streaks salvage been photographed by the Mars Reconnaissance Orbiter on melting pinkish sand dunes lined with mild frost. The featured image became once taken in 2008 April shut to the North Pole of Mars. At that time, unlit sand on the inner of Martian sand dunes became an increasing selection of viewed because the spring Sun melted the lighter carbon dioxide ice. When occurring shut to the pinnacle of a dune, unlit sand might well per chance perhaps cascade down the dune leaving unlit surface streaks — streaks that can well per chance perhaps appear at the starting build to be timber standing in front of the lighter areas nonetheless solid no shadows. Objects about 25 centimeters all over are resolved on this image spanning about one kilometer. Conclude usaof some aspects of this image level to billowing plumes indicating that the sand slides had been occurring even while the image became once being taken. Celestial Surprise: What image did APOD characteristic for your birthday? (put up 1995)