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Originally posted by amazing
What the heck are those tree things? They look like trees but...are they just rocks sticking up like that? How weird! That's the craziest thing I've ever seen. Send a rover up there now!!!!!! I want a closer look!
Originally posted by Ridhya
*Just waiting til someone comes in claiming this is proof Nasa knows there are organic trees growing on Mars and is suppressing this information*
There is a vast region of sand dunes at high northern latitudes on Mars. In the winter, a layer of carbon dioxide ice covers the dunes, and in the spring as the sun warms the ice it evaporates. This is a very active process, and sand dislodged from the crests of the dunes cascades down, forming dark streaks.
Originally posted by Agent_USA_Supporter
Nice try u used a different picture to make your point.
Originally posted by Phage
reply to post by jinx880101
It's not liquid, it's sand. But that's a good question.