Tagged aliens, are we alone, astronomy, astrophysics, Brian may, chaos, chaotic systems, conflicted, cosmos, curiosity, Daniel fox, drake equation, empathy, evolution, Galileo. Center of the universe, Goddard, Hubble space, Hubble telescope, interplanetary, Joel Parker, life in the universe, Magellanic Clouds, making bread, nature, newtonian mechanics, Nobel prize, phd, quantum mechanics, relativity, science, space, starmus, technology, tools