We just beamed a signal at space aliens. Was that a bad idea?
Article Link: https://www.nbcnews.com/mach/science/we-just-beamed-signal-space-aliens-was-bad-idea-ncna822446
YouTube Video: https://youtu.be/_hYAz68lJzo
Doug Vakoch, founder of the San Francisco-based nonprofit METI International, has argued that if we really intend to prove that humans have cosmic company, we need to step up to the plate and take the initiative.
The target, GJ 273, or more familiarly Luyten’s Star, is a runty red dwarf located 12 light-years from our solar system. Since radio waves travel at the speed of light, we’ll have to wait more than two decades before looking for a reply.
But the aspect of METI that really inflames people (including some in the SETI community and even celebrated physicist Stephen Hawking) is the possibility that sending signals skyward may expose us to an existential danger. Suppose Luytenians do exist, and they’re unfriendly. If we tip our hand with a broadcast — no matter what its