This Saturday's article posed an
interesting question—would aliens really want to visit us? If
intelligent alien life does exist out there, what would motivate
aliens to go through the trouble of visiting earth, or even
contacting us at all? The assumption that aliens want to meet us has
existed for so long, it's almost hard for us to imagine that aliens
might know we're here and are intentionally avoiding contact. We at
least seem to realize this in one way, because many of the sci-fi
movies and stories about alien invasion recognize that humans are
destroying themselves, constantly fighting wars, polluting the
planet, etc. Alien invasion in science fiction often seems predicated
upon the assumption that humanity deserves punishment for their
treatment of the planet and each other, and the common moral
communicated through these stories is that we should take a second
look at ourselves and change our ways. Let's take the focus off
ourselves for a moment and consider the aliens, if they're out there.
What might prevent or deter them from visiting earth?
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