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Fig. 4

image

X-shooter reflectance spectra of Ryugu, shifted by 0.8 for clarity. Regions affected by strong atmospheric absorption (at 1.4 μm and 1.9 μm) have been cut out. Superimposed are the spectra of thermally altered samples of the CM carbonaceous chondrite Murchison, heated at 900 °C (in red, RELAB file cfmb64) and 1000 °C (in cyan and green, RELAB file cgmb64).

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