Searching for Signs of Intelligent Life: Technosignatures (exoplanets.nasa.gov) en Signs of life beyond Earth could take forms that are clearly artificial – radio or light signals, or even evidence of large-scale engineering....
Searching for Signs of Intelligent Life: Technosignatures (exoplanets.nasa.gov) en
Signs of life beyond Earth could take forms that are clearly artificial – radio or light signals, or even evidence of large-scale engineering....