All very interesting but given the enormous distances of light years separating us and the laws of physics, they if they exist can never visit us and we can never visit them. However for the last forty years earth has been transmitting enormous amounts of digital data. Perhaps someday a return message may be received.
“All very interesting but given the enormous distances of light years separating us and the laws of physics...”
Even with us traveling at 1/1000th the speed of light we could eventually colonize the Galaxy or a decent sized chunk of it in a few million years. Provided Communism/liberalism doesn’t end us first...