Mars satellite hints at liquid water – BBC News

Nasa scientists believe that dark stripes on Mars are caused by trickling water. Data from one of the US space agency’s satellites shows the features, which appear on slopes, to be associated with salt deposits. Such salts could alter the freezing and vaporisation points of water, keeping it in a fluid state long enough to move.Subscribe to BBC News HERE http://bit.ly/1rbfUogCheck out our website: http://www.bbc.com/news http://www.facebook.com/bbcworldnews http://www.twitter.com/bbcworld http://instagram.com/bbcnews