The discovery of the mineral jarosite in rocks analyzed by the Mars Rover, Opportunity, on the Martian surface had special meaning for a team of scientists who study the mineral here on Earth. Jarosite can only form in the presence of water.
The discovery of the mineral jarosite in rocks analyzed by the Mars Rover, Opportunity, on the Martian surface had special meaning for a team of scientists who study the mineral here on Earth. Jarosite can only form in the presence of water.