urn:nasa:pds:context:facility:laboratory.pgl 1.1 1.22.0.0 Product_Context Planetary Geosciences Laboratory 2025-01-07 1.1 Updated schema version. 2023-08-28 1.0 Initial version. urn:nasa:pds:context:investigation:individual.frankenspectra facility_to_investigation urn:nasa:pds:context:instrument:pgl.ocean_optics-uvflame facility_to_instrument urn:nasa:pds:context:instrument:pgl.asd-fieldspec3 facility_to_instrument Planetary Geosciences Laboratory at the Planetary Science Institute Laboratory The Planetary Geosciences Laboratory at the Planetary Science Institute (PGL at PSI), located in Tucson, AZ, is a research facility that aquires spectroscopic measurements, including reflectance spectra at UV and visible/near-infrared wavelengths, of various materials (such as terrestrial mineral samples) to facilitate investigations of other planetary bodies. https://www.psi.edu/