Japanese and US missions returning samples from the carbon-rich asteroids Ryugu and Bennu are the latest steps in probing our Solar System’s smallest bodies, near and far, for clues to our own origins and directions for our future exploration.
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Binzel, R.P. Small bodies looming large in planetary science. Nat Astron 3, 282–283 (2019). https://doi.org/10.1038/s41550-019-0747-6
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DOI: https://doi.org/10.1038/s41550-019-0747-6
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