The geoengineering ideas are in the mainstream. They're floating a lot lately, including the atmospheric particulate film (already up there) - lots of brainstorming, shall we say.
brainstorming
Old Jewish proverb: Man thinks; God laughs.
PS Before I laugh it off, too, I must say I've had one bad dream about a very cold planet. This post reminds me of it, like they nudged the thing a bit too far ... the miscalculation ... is everything in space a known variable. I thought science was
beyond billiards... now.