NASA’s OSIRIS-REx spacecraft has successfully stored a small cache of rocks that it grabbed from the surface of an asteroid named Bennu last week, sealing the pebbles inside the vehicle’s belly. The asteroid particles will now remain inside the spacecraft over the next three years, as OSIRIS-REx makes its way back to Earth.
OSIRIS-REx grabbed the sample on October 20th of last week, more than four years after launching from Earth on its mission to touch an asteroid. Using a thin robotic arm, the vehicle lightly tapped the asteroid Bennu, stirring up rocks on the surface and pushing some of the pebbles up into the spacecraft.
While the maneuver worked as planned, OSIRIS-REx was a…