If We Heard from Aliens, What Would It Look Like?
Earth can be a really loud place if you're searching for an extraterrestrial signal. So how does SETI sift through all the cosmic noise to hunt for alien signals.
==========
Earth can be a really loud place if you’re searching for an extraterrestrial signal. Television broadcasts, radio transmissions, cell phones - we’re beaming noisy signatures of our technology into space all the time. But we’re not the only noise maker in the universe. Black holes crashing into each other, fast radio bursts, and other celestial phenomenon create lots of astronomical background noise. So if there are extraterrestrials out there, how do we find the signal through all that noise? The question of whether or not we're alone in the universe is a question that's been with humanity since you know we stared up at the sky and wondered what was out there. But it's only been in the last about 50 or 60 years that we've had the technology and the understanding o...
==========
Earth can be a really loud place if you’re searching for an extraterrestrial signal. Television broadcasts, radio transmissions, cell phones - we’re beaming noisy signatures of our technology into space all the time. But we’re not the only noise maker in the universe. Black holes crashing into each other, fast radio bursts, and other celestial phenomenon create lots of astronomical background noise. So if there are extraterrestrials out there, how do we find the signal through all that noise? The question of whether or not we're alone in the universe is a question that's been with humanity since you know we stared up at the sky and wondered what was out there. But it's only been in the last about 50 or 60 years that we've had the technology and the understanding o...
