Space.com #Why Do Space Probes Have Spectrometers? OSIRIS-REx Instrument Explained | Video 29 July 2016 fborgosano Leave a comment Share: NASA’s OSIRIS-REx Visible and Infrared Spectrometer (OVIRS) will look for organics on asteroid Bennu. The NASA team explains how they developed and tested the instrument. from Space.com ift.tt/2atOJph Share: