Fluorescent ruby-like gems have been found on Mars for the first time
NASA’s Perseverance rover is on the hunt for gemsNASA/JPL-Caltech/ASU/MSSS The Perseverance rover has found precious stones inside Martian pebbles. These gem grains are made of a substance called corundum, which is also known as ruby or sapphire depending on the traces of metals within it. Ann Ollila at Los Alamos...










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