What petrified sand dunes appear to be on Mars
For those who’re the outdoorsy sort, you may need already seen petrified sand dunes in individual (in Utah, for example) — the photograph above, nevertheless, is not of a desert right here on Earth. It is a picture stitched collectively utilizing a number of photographs captured on August twenty seventh by Curiosity rover’s Mast Digital camera (Mastcam) on Mars. This sandstone formation originated as sand dunes shaped by the wind, which ultimately hardened and become rock. It is a part of an space referred to as the Stimson unit on Mount Sharp, which lies over a mudstone layer in what was a lake. The rover is investigating the situation to find out the way it modified from historic occasions. This shut-up picture exhibits only a small a part of the place, nevertheless: you possibly can see the entire panorama NASA created on its web site.