PDA

View Full Version : Looking For the City Lights of Alien Civilizations



Fraser
2011-Nov-04, 07:20 PM
When most people think about the search for alien life, the first thing that usually pops into mind is SETI (Search for Extraterrestrial Intelligence). Primarily a search for extraterrestrial radio signals, another more recent facet of SETI is now looking for laser pulses as a conceivable means of communication across interstellar distances. But now, a [...]

More... (http://www.universetoday.com/90682/looking-for-the-city-lights-of-alien-civilizations/)