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Arizona-led OSIRIS-REx mission finds evidence of water on asteroid Bennu.
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The OSIRIS-REx mission team evaluated four candidate sites and identified site Nightingale as the best option for the sample collection, with site Osprey named as the backup.
NASA's OSIRIS-REx science team has identified three possible explanations for the particles that asteroid Bennu is consistently tossing into space.
The OSIRIS-REx spacecraft has mapped Bennu to identify the best spots for the spacecraft to collect a sample. The final two sites – a primary and backup – will be selected in December.