Fig. 4From: Asteroid Ryugu before the Hayabusa2 encounterThe featureless/flatness nature of the Ryugu spectrum is evident in this series of three Vis-IR spectra. Superimposed are the spectra of thermally altered samples of the CM carbonaceous chondrite Murchison, in red (heated at 900 °C) and in cyan and green (heated at 1000 °C) (from Perna et al. 2017)Back to article page