Ask HN: How bad Earth would have to be for terraforming Mars to make sense?
By soneca · 2026-10-13 · 1 points · 8 comments
Ok, this might be more of a Reddit question or an xkcd’s “What if”, but let’s try here first. When people talk about investing in tech so that, if Earth gets bad enough, we have a plan B in colonizing Mars, I think we most agree that it’s nonsense. But it seems like a good thoug…
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