Venus Diameter.... 12,104 km Mass (Earth = 1).... 0.82 Distance in AU's from sun.... 0.71 Rotation period (length of day in Earth days).... 243 Revolution period (length of year in Earth days).... 225 Mean surface temperature.... 453 (C) ... 847.4 (F) Number of moons... 0 Light minutes from Sun.... 6.02 Light hours from Sun.... 0.10 Photo source: NASA'S Planetary PhotoJournal See credits for original photo information