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A comment on ‘Oumuamua, Thin Films and Lightsails. Parent comment

Re:‘Oumuamua, Thin Films and Lightsails by modzu on Tuesday October 30, 2018 @04:18PM (#18340916)
thats not true. if the probability of whether or not its a sail could be calculated, it would have been in the paper ;)
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Re:‘Oumuamua, Thin Films and Lightsails by gwern on Tuesday October 30, 2018 @06:37PM (#18341854)
It probably is true. And it might surprise you, but papers leave things out all the time... Even things that can be calculated. Shocking, I know. And that wouldn't be in the paper anyway because the Fermi Paradox & Great Filter is not hard science but still half philosophy.
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