The study said the United States had developed water on Mars.

<P> Keywords: Mars water </ P> <P> World Scientific reports [tech.] News: American scientists under the "Mars Reconnaissance Orbiter," observed the latest research data shows that Mars is now cold and dry in the distant past .has a large number of lakes, rivers and other water systems. .</ P> <P> Spirit landed on Mars two years, 5 km trip taking pictures 70000 </ P> <P> NASA Mars Reconnaissance Orbiter space missions Ten Inside </ P> <P> 16, published in the UK ."Nature" magazine paper, said, "Mars Reconnaissance Orbiter" in the ancient Martian crust layered silicate rocks detected. .Layered silicate is a clay mineral. .Scientists of the view that ancient Mars, the vast majority of places have high ground clay minerals, and these minerals can only be formed under the water. .</ P> <P> Mars evolution is becoming increasingly dry, volcanic magma rich in clay minerals of these areas covered, but then alien objects on Mars knocked thousands of locations on the pit, some of .clay minerals can be "freed." .Scientists believe that these layered silicate should be preserved to varying degrees, 3.8 billion to 46 billion years ago in Sheung Shui and rock interaction on Mars "evidence." .</ P> <P> responsible for "Mars Reconnaissance Orbiter," Scott Moji spectrometer, scientists said the new results of the analysis they are surprised that most of Mars history of the "water of" could be so long .and "water" type of large, widely distributed. .</ P> <P> the formation of clay minerals can not do without water, and which may save a lot of "evidence", scientists believe that if life exists on Mars in the past there have been, it is possible to contain these minerals in a form of life .These chemical composition. .</ P> <P> Moji said the next step will mark the locations where they are most likely to preserve organic compounds, for future reference for Mars exploration mission landing landing. .</ P ><!-- --><!-- content module: paragraph end --><!-- google_ad_section_end --><!-- text content end --></ p>.