For as long as a year, NASA's Curiosity Mars meanderer has been going through a change zone from an earth-rich district to one loaded up with a pungent mineral called sulfate. While the science group designated the mud-rich district and the sulfate-loaded one for proof each can propose about Mars' watery past, the progress zone is ending up logically entrancing too. As a matter of fact, this change might provide the record of a significant change in Mars' environment billions of years prior that researchers are simply starting to comprehend. The earth minerals formed when lakes and streams once undulated