Notes on the Fermi Paradox

I recently realized I hadn t written much in this blog about the Fermi Paradox, though I do write about it elsewhere. So here is a quick note. The Fermi Paradox, sometimes paraphrased as where are they? is a question about the apparent lack of intelligent alien life in the universe. The universe is extreme old relative to the speed of light at galactic scales. Light has been able to cross our…