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Is that 72 degrees C?
no 22C and 72F
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And I assume the temperature is not uniform throughout the planet.
Correct. as explained above. it has poles and temp difference. the planet is round and does rotate
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means we dont know yet what venus's atmosphere is we guess at it
We do 'know' what the atmosphere of Venus is:
Venus AtmosphereSurface 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 g/mole
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