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Originally posted by Erasurehead
Amazing photo. I don't exactly buy their explanation. According to the article the "trees" are really trails of debris caused by landslides as ice melts in Mars's spring.
Martian Swamp Gas. Nothing to see here, please move along people.
Originally posted by DraconianKing
They already know what they are, it's just dirt. There is always a simple explanation, try looking for it first before you make up wild theories and end up embarrassing yourself.
NASA says: "The streaks are sand, dislodged as ice evaporates, which slide down the dune. At this time of the Martian year the whole scene is covered by CO2 frost."