OSIRIS-REx

== English == === Etymology === From OSIRIS +‎ REx. === Proper noun === OSIRIS-REx (astronomy, NASA) Initialism of Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer, a NASA asteroid-study and sample-return mission. ==== Related terms ==== 101955 Bennu === Further reading === OSIRIS-REx on Wikipedia.Wikipedia