Question: who has played more instrument Built to Spill or Republica?
Sentence (from "Moderate-resolution imaging spectroradiometer"): MODIS utilizes four on-board calibrators in addition to the space view in order to provide in-flight calibration: solar diffuser (SD), solar diffuser stability monitor (SDSM), spectral radiometric calibration assembly (SRCA), and a v-groove black body.
Relevant evidence: No