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army1987 comments on The Great Filter is early, or AI is hard - Less Wrong Discussion

19 Post author: Stuart_Armstrong 29 August 2014 04:17PM

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Comment author: [deleted] 30 August 2014 03:38:56PM 3 points [-]

Not that unlikely, depending on what you mean by “recently”; for example, earlier stars had lower metallicity and hence were less likely to have rocky planets.