"We have over a 1,000 particles that are greater than half-a-millimeter, 28 particles that are greater than a centimeter, and the biggest particle is 3.5 centimeters," said University of Arizona's Dante Lauretta.
"So a great collection full of really large stones."
#asteroid-bennu #nasas-osiris-rex-mission #solar-system-formation #mineral-analysis #water-in-asteroids
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