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How to ‘watch’ NASA’s OSIRIS-REx snatch a sample from near-Earth asteroid Bennu

NASA’s OSIRIS-REx probe is about to touch down on an asteroid for a smash-and-grab mission, and you can follow its progress live — kind of. The craft is scheduled to perform its collection operation this afternoon, and we’ll know within minutes if all went according to plan.
OSIRIS-REx, which stands for Origins Spectral Interpretation Resource Identification Security — Regolith Explorer, was launched in September of 2016 and since arriving at its destination, the asteroid Bennu, has performed a delicate dance with it, entering an orbit so close it set records.
Today is the culmination of the team’s efforts, the actual “touch and go” or TAG maneuver that will see the probe briefly land on the asteroid’s surface and suck up some of its precious space dust. Just a few seconds later, once sampling is confirmed, the craft will jet upward again to escape Bennu and begin its journey home.
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