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Dee Yun: (contact-deleteme[at]-deleteme-direman [dot] com) 2017-01-13 00:37:19
Theoretically, assuming that other Earth-like planets exist, we should have neighbors that we would be able to recognize as fellow organic life forms. The Milky Way is old enough that another species could have contacted us by now.
Perhaps we're the first sapient species. Or the light speed barrier is indeed unbreachable, and an Arthur Clarke "Rama"-style colony ship is too gargantuan an undertaking. Perchance the pessimistic models are correct and the average number of civilizations in a galaxy is less than one. Maybe the Earth is indeed Rare and Special, residing in an impossibly improbable "Goldilocks" zone - and we're hurtling alone through the cosmos.
For those of a theological bent, perhaps any other species exist in higher dimensions, bound in patterns of energy unshackled from the fragility of mortal flesh. Heck, you could be an atheist and still entertain the notion.
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