Ilmenite is an iron titanium ore that earth and the moon have in common . mls - 1a is made from billion - year - old basalt found on the north shore of lake superior and mixed with glass particles that simulate the composition of the lunar soil 钛铁矿在地球和月球均普遍存在,而mls - la是仿照月球土壤成份把苏必略湖北岸数以亿年的玄武岩和玻璃颗粒混合而成。