Could we find alien civilizations using infrared light? - io9
http://io9.com/could-we-find-alien-civilizations-using-infrared-light-511055975Instead of listening for radio signals, a group of astronomers is proposing that we search for extraterrestrials by detecting their planet's exaggerated heat signatures — signatures that could be detected in the infrared. But to do so, we'd have to ...
Submitted in section: Paranormal news 2013: Could we find alien civilizations using infrared light? - io9