Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.
In 1977, NASA embarked on a monumental quest by launching the Voyager spacecraft, which was equipped with a Golden Record ...
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Here's what's on the golden record, NASA's message to aliens carried by the Voyager probes
If there are indeed other beings in our galaxy, and they are sophisticated enough to traverse the expanse of space, their very first encounter with humanity might not be with a human. Rather, they ...
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