Venus Atmosphere
Surface pressure: 92 bars
Surface density: ~65. kg/m3
Scale height: 15.9 km
Total mass of atmosphere: ~4.8 x 1020 kg
Average temperature: 737 K (464 C)
Diurnal temperature range: ~0
Wind speeds: 0.3 to 1.0 m/s (surface)
Mean molecular weight: 43.45
Atmospheric composition (near surface, by volume):
Major: 96.5% Carbon Dioxide (CO2), 3.5% Nitrogen (N2)
Minor (ppm): Sulfur Dioxide (SO2) - 150; Argon (Ar) - 70; Water (H2O) - 20;
Carbon Monoxide (CO) - 17; Helium (He) - 12; Neon (Ne) - 7
****************************************
2,412.5 times the CO2 content of the Earth