image: This is a back-scattered electron image of a SIMS crater of oxygen isotope analysis on Itokawa olivine surface. This image relates to an article that appeared in the Aug. 26, 2011, issue of Science, published by AAAS. The study, by Dr. Hisayoshi Yurimoto of Hokkaido University in Sapporo, Japan, and colleagues was titled, "Oxygen Isotopic Compositions of Asteroidal Materials Returned from Itokawa by the Hayabusa Mission." view more
Credit: Image © Science/AAAS