WASHINGTON: Scientists are now on the mission to search for 100,000 galaxies in order to have a sign of the presence of extraterrestrial civilization. Scientists with Penn State University analyzed data from a NASA satellite in order to look for signs of infrared radiation that may be generated by an alien civilization.
Researchers have published their observations in the Astrophysical Journal Suppelement Series.
Fifty years back physicist Freeman Dyson suggested that mid-infrared emissions might be significant evidence of an advanced civilization’s activities but it was not possible to make measuements of such radation in space until the invention of space telescopes such as the WISE instrument.
Around 100 million WISE observations were examined for evidence of galaxies that might be emitting infrared radiation.
“The idea behind our research is that, if an entire galaxy had been colonized by an advanced spacefaring civilization, the energy produced by that civilization’s technologies would be detectable in mid-infrared wavelengths – exactly the radiation that the WISE satellite was designed to detect for other astronomical purposes,” says Jason T. Wright, an astronomer and astrophysicist at the university’s Center for Exoplanets and Habitable Worlds.
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