Reply To: Questions regarding DPF.

[Brian H]

KeithPickering wrote:
…

So Venus doesn’t have an atmospheric heat pipe. But neither does Mercury. So why is Venus hotter than Mercury? Your only remaining shot seems to be: internal heating (i.e., volcanic processes). So how come the volcanoes operate more at night on Venus than during the day? Because the surface temp of Venus is the same, day and night, and the Sun is only heating the daytime side. And, by your own admission, there are no surface winds to move the heat around to the night side. So now you need a mechanism that causes volcanoes to shut down when the Sun rises.

Talk about Occam’s razor!

Nope. Reading error. The sun has no effect on the surface temp of Venus, day or night. All its radiation is rejected by the cloud cover etc.!