was designed and sent to mars in 2011 with the express purpose of exploring the 100 meter wide gale crater now nearly a decade into its 2 year mission curiosity has found evidence of an ancient away says on the surface of the red planet the rover found rocks containing mineral salts and deposits that work like water marks showing the possibility that shallow salty ponds and streams once sat within the gale crater overflowing and drying up as a mars environment went from a wet planet with well to the desert one we see now the salt water ponds are estimated to have been on mars about mir 3 and i have 1000000000 years ago and these new findings could help scientists estimate just how long it took mars to transition from a life supporting planet to be dry air and one we see today. while there we go what about 150 years before we look like there are other types clearly garley and orchestrated fine words humans are trying hard though to her about observed so pre-debate remember everyone in this world that we are told we are loved up so it's all right. and out of what people are watching all thos