#DrakeEquation
Tag > #DrakeEquation Displaying [1 - 1 of 1]
Civilisations beyond our galaxy
How many civilisations might there be in our Galaxy, and how could we find out? To celebrate the 90th birthday (28th May 2020) of Frank Drake,...
Tag > #DrakeEquation Displaying [1 - 1 of 1]
How many civilisations might there be in our Galaxy, and how could we find out? To celebrate the 90th birthday (28th May 2020) of Frank Drake,...