Researchers using China’s new Five-hundred-meter Aperture Spherical radio Telescope (FAST), the largest single-dish scope in the world, are piecing together a technological strategy to carry out a major and sweeping search for extraterrestrial intelligence (SETI). What if China someday announces that this hunt has been successful? How would such a claim be verified, and what might the consequences be? And could an unofficial international SETI race already be underway? Space.com asked several SETI authorities to flesh out the implications of China being the first nation to get a ping from ET.
And then the interstellar travelers will lookupon Earths political party system and then...will leave.
If ET is close enough to respond in our lifetimes then they already know we’re here.