10 big questions about the search for life beyond Earth
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In our quest to understand what’s out there in the Universe, one cosmic unknown looms larger than all the rest: are there other examples of life, complex life, intelligent life, and technologically advanced life out there beyond planet Earth? And if there are other examples out there, a slew of follow-up questions seem inevitable.
How common, uncommon, or rare are those types of life?
Are there other technologically advanced, or even spacefaring, civilizations out there, perhaps even within our
How common, uncommon, or rare are those types of life?
Are there other technologically advanced, or even spacefaring, civilizations out there, perhaps even within our
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