What would ideally be required to constitute proof that "intelligent aliens have visited us," according to the text's high standard?
Answer
Recovering physical artifacts exhibiting non-terrestrial engineering
Proving intelligent aliens have visited would ideally require recovering physical artifacts exhibiting non-terrestrial engineering, or receiving and decoding an unambiguous, intentional message that cannot be explained by natural phenomena.
#Videos
My Search for Proof Aliens Exist | Avi Loeb | TED - YouTube
Related Questions
What is the definitive scientific status regarding extraterrestrial life based purely on hard, verifiable proof?What type of star does the exoplanet K2-18b orbit?What molecule's potential detection on K2-18b has raised scientific excitement as a possible biosignature?On Earth, what primarily emits Dimethyl Sulfide (DMS)?If extant or extinct life were found on Mars, what would NASA scientists emphasize that this finding would confirm?What do declassified NSA documents detailing communications intercepts related to extraterrestrial activity actually demonstrate?What would ideally be required to constitute proof that "intelligent aliens have visited us," according to the text's high standard?What hypothesis suggests life might have been "seeded" to Earth from elsewhere in the cosmos via asteroids or comets?Why do scientists treat the potential detection of DMS on K2-18b cautiously?What is considered the gold standard for proof of *intelligent* alien life?