Terraforming the Solar System

[Anthony]

Originally Posted by Johnny1A.2

I've never heard a plausible terraforming proposal that didn't involve time spans of at least centuries, to be honest, unless you posit technology so far ahead of ours that it's not quite clear why you need to terraform at all.

Even Mars would be a bitch.

Our semi-plausible highly optimistic Mars timeframe was on the order of 500 years. Venus was clearly orders of magnitude harder.