NASA’s OSIRIS-REx successfully touched ________ ancient asteroid’s surface to collect dust and pebbles ?

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a) Ceres
b) Vesta
c) Juno
d) Bennu

In a first, NASA’s OSIRIS-REx spacecraft successfully touched on Bennu asteroid’s surface to collect dust and pebbles on October 20, 2020. The collected particles will reach Earth by 2023.  

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