A NASA spacecraft touched down on the rugged surface of the Bennu asteroid on Tuesday, grabbing a sample of rocks dating back to the birth of the solar system to bring home. he so-called “Touch-And-Go” manoeuvre, 12 years in the making, was managed by Lockheed Martin Space in Denver, Colorado, and rested on a critical 16-second period where the minivan-sized OSIRIS-REx spacecraft extended its 3.35-metre robotic arm towards a flat patch of gravel near Bennu’s north pole and plucked the sample of rocks – NASA’s first ever handful of pristine asteroid rocks.
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