Reasons Venus is so hot:
* Its atmosphere is 92 times thicker than Earth's
* Its crust is thinner than the Earth's allowing the internal core heat to reach the surface
As far as it being closer to the sun:
Energy per unit area at Venus = (92.9 E6)^2 / (67.2 E6)^2 =
1.91 times the energy per unit area on Earth
In other words, Venus gets about two times as much energy per unit area as the Earth.
I will concede that there is huge disagreement on the relativity of Venus to the Sun. But my opinion is that it has a direct bearing.
Nice kiddie page you linked, tho. Pretty colors.
Watch the documentary I linked. It's even unbiased...and
Canadian.
IMPORTANT STUFF TO KNOW BEFORE LOOKING SILLY