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Calculated yields of alanine and β-alanine. (a) Gamma-ray dose rate expected in the parent bodies of CM chondrites, and calculated yields of alanine and β-alanine per year (b) in the liquid phase and (c) in the whole rock. (d) Total gamma-ray dose expected in the parent bodies of CM chondrites and calculated total yields of alanine and β-alanine (e) in the liquid phase and (f) in the whole rock.
