[camiller]

"...1.3 kW per square meter sun power constantly..." at Earth's distance from the sun. At Mars it is .715 kW. Inverse square law and all that.

[sdenton4]

New plan! Colonize Venus!

(What's all this about cloud cover?)

[snerbles]

Airship colonies, take advantage of that dense atmosphere and float over the clouds.

[Symmetry]

If you go high enough in Venus's atmosphere that the temperature and pressure are Earth-like you're getting 1.3 times the sunlight of Earth coming in from above and about 1.0 times reflected off the clouds below.