From the outside, iron meteorites tend to look like formless, rusted lumps of metal, which is why museums often polish and etch sections to show their interior structure. This reveals their ...
Yavnel, A. A., Borovskii, I. V., Ilin, N. P., and Marchukova, I. D., Doklady Akademii Nauk. U.S.S.R., 123, 2, 256 (1958). Agrell, S. O., and Long, J. V. P., Proc ...