Download link: https://kukufm.page.link/XVeEECwnAWNqWN5o9 Coupon code: MRGK50 Reference: https://www.wolframalpha.com/input/?i=drake+equation https://www.seti.org/drake-equation-index https://iopscience.iop.org/article/10.3847/1538-4357/ab8225 ...
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