
Curiosity Discovers Pure Sulfur on Mars in a Martian Rock: Why It’s Unique
Credit: NASA/JPL–Caltech The Rover Curiosity NASA has observed for the first time yellow crystals of elemental sulfur (i.e. composed only of this element) on the surface of Marsexposed by the breaking of a rock as it passes. Although it has been known for over fifty years that Mars is a planet rich in sulfur compoundsthis element had never been observed ...



