- We may not hear from aliens for 400,000 years. https://www.universetoday.com/155470/humanity-will-need-to-survive-about-400000-years-if-we-want-any-chance-of-hearing-from-an-alien-civilization/ 104 comments science
Linked pages
- Great Filter - Wikipedia https://en.wikipedia.org/wiki/Great_Filter 72 comments
- Drake equation - Wikipedia https://en.wikipedia.org/wiki/Drake_equation 17 comments
- The Astrobiological Copernican Weak and Strong Limits for Intelligent Life - IOPscience https://iopscience.iop.org/article/10.3847/1538-4357/ab8225 17 comments
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