The Earth System
509/497/67
Earth I
☉0.39AU
☀70900 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
Earth II
☉3.19AU
☀1059 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
Earth III
☉4.39AU
☀559 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
Earth IV
☉7.19AU
☀208 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
509/497/67 
