NASA Spacecraft to Touch Down on Asteroid Bennu in October to Collect Rock Samples
News 18After a four-year journey, NASA’s robotic spacecraft OSIRIS-REx will descend to asteroid Bennu’s boulder-strewn surface on October 20, touching down for a few seconds to collect rock and dust samples, the agency said Thursday. “Years of planning and hard work by this team are essentially coming down to putting the TAGSAM into contact with the surface for just five to 10 seconds,” said Mike Moreau, OSIRIS-REx deputy project manager. NASA has chosen a site called Nightingale, a rocky area 52 feet in diameter, for the spacecraft’s robotic arm to attempt to collect a sample, because it holds the greatest amount of unobstructed fine-grained material. OSIRIS-REx is supposed to collect at least 2 ounces of Bennu’s rocky material to bring back to Earth –- the largest sample return from space since the Apollo program.