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Itokawa dust grains on the Hayabusa spatula

Itokawa dust grains on the Hayabusa spatula
Itokawa dust grains on the Hayabusa spatula A special Teflon spatula was used to scrape the interior surfaces of Hayabusa's sample return capsule. This electron micrograph of the edge of the spatula reveals a few of the largest of the more than 1,500 grains identified as being of extraterrestrial origin, most of them smaller than 10 microns in diameter. JAXA