A NASA scientist says we may have already been visited by foreigners – we just did not notice.
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Silvano Colombano, a researcher at NASA’s Ames Research Center in Mountain View, California, argued in a paper published Monday that researchers in the search for extraterrestrial intelligence or SETI need to rethink some common assumptions about extraterrestrial life – including that foreigners would be coal-based.
“I simply want to point out the fact that the intelligence we can find and who can choose to find us (if it’s not already) may not be produced by carbon-based organisms like us,” wrote Colombano. He continues to claim that aliens can be “an extremely small superintelligent entity”.
In an email to Newsweek, Colombano stated that foreigners could “ultimately be robotic” in nature.
Other assumptions Colombano calls on researchers to question is that “interstellar travel is impossible or highly unlikely”, that we have not been visited by foreigners and that foreigners would use radio waves to communicate. “
” If we assume a new set of assumptions about what types of higher intelligence and technology we can find, some of these phenomena may match specific hypotheses, and we could begin with a serious investigation. “
As part of his conclusion, Colombano suggested researchers” opportunities for space nature and energy “in the future SETI research.
The paper was submitted as part of the SETI’s decoding Alien Intelligence workshop.