Mechanism underlying size-sorting of rubble on asteroid Itokawa revealed

小惑星探査機はやぶさが観測したイトカワの画像

In 2005, the Hayabusa spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) landed on Itokawa, a small near-Earth asteroid named after the famous Japanese rocket scientist Hideo Itokawa. The aim of the unmanned mission was to study the asteroid and collect a sample of material to be returned to Earth for analysis.

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