SMBC has been on a roll lately with insightful posts. Anyone struggling against the establishment should ponder this one. Click through to get the full size version. via Saturday Morning Breakfast Cereal. ...and the cycle continues.
First, let me be clear on what I'm talking about: intelligent aliens with an advanced civilization. This is a different question than extraterrestrial life in general. For life in general, particularly simple life, I'd be surprised if we'd have to look more than a hundred light years from Earth. (We may know the answer to … Continue reading How far away is the closest extraterrestrial civilization?