In June 2018, Japan’s Hayabusa 2 mission reached asteroid 162173 Ryugu. It studied the asteroid for about 15 months, deploying small rovers and a lander, before gathering a sample and returning it to Earth in December 2020. The Ryugu sample contains some of the Solar System’s most ancient, primitive, and unaltered material, opening a window …



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Source: Tiny Fragments of a 4-Billion Year Old Asteroid Reveal Its History