The Astra System
497/515/48
Astra I
☉0.34AU
☀93287 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
Astra II
☉2.14AU
☀2354 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
Astra III
☉5.24AU
☀392 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
Astra IV
☉5.34AU
☀378 W/m²
O₂
CO₂
CH₄
N₂
biosphere report
497/515/48 
