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Shea Gunther

The search for alien pollution

Astronomers think alien pollution could be the key to discovering life on other planets.

Mon, Oct 19 2009 at 11:12 AM EST

Photo: Yngvardo
Let's hope that alien environmentalists have been as outnumbered by polluters as their counterparts have been here on Earth. Someday pollution could very well be the key to discovering life on other planets.
 
In a paper to be published in Astrobiology, astronomers lead by Jean Schneider of the Paris Observatory in Meudon, France suggest that light and chemical pollution could point the way to alien civilizations. Given the right mix of telescopes and sensors scanning alien planets, it could someday be possible to detect substances like CFCs that aren't naturally formed.
 
Light pollution could be another thing to look for. Artificial light could show up on readings of planets as noticeable variations from what's expected.
 
Current technology isn't quite up to snuff rigth now; we have a few cycles of technological advancement to get through before we can actually start looking for alien pollution, but it's a really interesting idea to start tacking towards.
 
[Via New Scientist]
 
 
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Related Topics: Light Pollution, Pollution

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anonymous
Evelyn 10/22/2009 16:56 PM

Why is it that we humans want to make everything in our image. Why assume that other civilizations are as destructive as we are. We have so many resources and now the technology to stop pollution yet continue to exploit at an unrealistic rate. If there are other civilizations as unconscious as we are that pollute like we do they would probably self-destruct before we find them.

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