unknown internal process or by an undetermined outside influence the Apollo 16 astronauts found on the moon rocks called breccias that result from the scattering of solid rock and its reweld extreme and sudden Heat when and how were these rocks shattered then refused other surface materials on the moon are rich and rare radioactive potassium and phosphorus materials that on earth are deep down inside putting such findings together scientists are now certain that the moon and earth formed of roughly the same elements at