Image shows astronaut-geologist standing next to a huge lunar boulder during NASA’s Apollo 17 mission in 1972. The scientists in this research used rock samples from this Apollo mission.
Image shows a map of the Titanium abundances of the Moon’s surface, obtained from NASA’s Clementine spacecraft. The red parts indicate extremely high concentrations compared to terrestrial rocks.
Credit: University of Bristol/University of Münster
An electron-microscope image of an experiment from this study. Melt (brown colour) reacts with surrounding crystals (green colours), resulting in a less Fe-rich melt.