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Closeups of Ryugu rocks These closeup images of material from asteroid Ryugu collected by Japan's Hayabusa2 spacecraft in 2019 show differences between the first sample site (left) and second sample site (right). The views here are roughly 20 millimeters (less than an inch) across. The second sample contains what may be aluminum scraped off the spacecraft during the collection process. JAXA / Edited by The Planetary Society