NASA's Mars rover Spirit has found concentrated salt below the surface of the Red Planet,offering more evidence that water once existed on Mars.The wheeled robot found the salt while analysing the......
People speak for gusev crater
Q. Do you know which mineral the soil of Mars is rich in? : A. Deposits of nearly pure silica discovered by the Mars Exploration Rover Spirit in Gusev Crater formed when volcanic steam or hot water (or maybe...... more