laweijfmvoDec 2023Recommends
Since the article doesn't talk about the fun details: ▶ this video , talks about how big it would need to be, among other things.
in “Scientists want to put a 'sunshade' in orbit to fight climate change” · View on HN
Space Shades: Humanity's Last Hope | Answers With Joe
Space Shades: Humanity's Last Hope | Answers With Joe on HackerTube: recommended by 1 Hacker News commenter across 1 month, 2020–2023.
Joe Scott
Open on YouTubeexplainer · dated
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 Hacker News recommends it
Linked as a worked look at the maths and assumptions of orbital sunshades, which concludes they are impractical.
- people recommended it
- 1
- separate months
- 1
- strong recommendations
- 0
- discussed on HN
- 2020–2023
“Here's a video of someone going through the maths and their various assumptions”
What HN commenters said
3 Hacker News comments link this video. Each one links back to its thread.
flukusJan 2021Cites it
Here's a video of someone going through the maths and their various assumptions: ▶ this 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.
in “Earth is losing ice faster today than in the mid-1990s, study suggests” · View on HN
pasSep 2020Cites it
Solar shades the expensive way (as in right now, launch from Earth): ▶ this video After kickstarting a Lunar economy so you can manufacture and launch them well outside Earth's gravity well: [link]
in “Mars Problems vs. Venus Problems” · View on HN
Topics & tags
Climate policy, solutions & debateSpace exploration & spaceflightsolar shadesclimate engineeringspace launchroger angelstarship