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Space Shades: Humanity's Last Hope | Answers With Joe
About this video
Joe Scott takes a serious look at space sunshades as a climate fix, asking how big they would need to be, what they would cost and whether they would work. He draws on Roger Angel's paper and launch options.
Why it appears in the archive
Linked as a worked look at the maths and assumptions of orbital sunshades, which concludes they are impractical.
AI-generated summary and labels from the source dataset; verify important details against the video. Source & credits.
From the Hacker News discussion
Since the article doesn't talk about the fun details: [VIDEO] , talks about how big it would need to be, among other things.
Read original comment ↗Solar shades the expensive way (as in right now, launch from Earth): [VIDEO] After kickstarting a Lunar economy so you can manufacture and launch them well outside Earth's gravity well: [LINK]
Read original comment ↗Here's a video of someone going through the maths and their various assumptions: [VIDEO] TLDR: It's preposterous in just about every way, from the number of shades needed to the costs to the number of launches required.
Read original comment ↗