OSIRIS-REx launched in September 2016 and arrived at Bennu, a 4.5-billion-year-old asteroid, in December 2018.
The sample is an astrobiologists dream,accordingto OSIRIS-REx analyst Daniel Glavin.
Asteroids that fall to Earth as meteorites are heated up by the fall.
The OSIRIS-REx head with its lid removed. Plenty of asteroid in there.Photo:NASA/Erika Blumenfeld & Joseph Aebersold
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