NASA mission selects final four site candidates for asteroid sample return
(PHYSorg.com Space & Earth)

After months grappling with the rugged reality of asteroid Bennu`s surface, the team leading NASA`s first asteroid sample return mission has selected four potential sites for the Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft to `tag` its cosmic dance partner.