To spot an alien, follow the pollution trail
SOURCE: DIGG • 2009-10-19
TOPICS:
Astrobiology • Alien • Predator • Extraterrestrial Life • Environment
[68 diggs @ Space] Do aliens pollute their planets? Let's hope they do, as this would give us a promising way of spotting where they live. Light pollution and artificial chemicals in the atmosphere could reveal the existence of alien life on distant planets.
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