"Boy, did we really nail it," said Dante Lauretta, a scientist from the University of Arizona who is the principal investigator of the OSIRIS-REx mission.
Scientists have not even opened the main container yet, a process that will unfold in the coming weeks as cataloging all of this material begins. Before the launch of this mission, scientists said the recovery of 60 grams of material would be considered a success. While the effort to determine the overall mass is ongoing, Lauretta said early estimates are that the asteroid capture mission collected about 250 grams of pebbles and dust from the surface of Bennu.
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