Sand Avalanches Cause the Streaks on Mars, Not Water, Study Says
At a Glance What appeared to be water flowing on Mars' surface is actually an optical illusion, according to a recent study.The flows are the result of sand avalanches and shadows cast by sunlight. Seasonally recurring streaks on Mars had researchers considering the presence of water on the Red Planet, but a team of researchers proposed a theory that these flows have nothing to do with water at all. According to a recent study, the scientists believe that that create...