Fig. 2
Pressure–concentration profiles of five prominent spectral species of the Earth-like planets around different central stars (upper row: F-type star, center row: G-type star, lower row: K-type star). Columns from left to right show profiles of O3, CH4, N2O, H2O and HNO3. The orbital distance is indicated by colors as in Fig. 1. Note that CO2 is set to an isoprofile of 355 ppm and hence not shown.
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