What’s really out there? That’s something humankind has probably contemplated since we first looked up at the night sky. We’ve learned a tremendous amount about our universe through the years, but what we do know is most likely dwarfed by what we do not know. We’ll continue our efforts to learn more as long as we’re around to do it, and who knows? Perhaps one day we will find that there is life out there somewhere, and that we are not the only inhabitants of this vast universe. For now, we’ll have to be content with what we do know,
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