10 years ago
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The First Aliens We Discover May Be Purple
In our quest to discover strange new life on strange new worlds, a group of astronomers has modeled potential alien worlds using Earth’s biological history as a framework. From this they have determined that if we are to detect extraterrestrial biology, we should fine-tune our search to the color purple.
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http://news.discovery.com
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So... the first aliens we see will likely be Asari then? Cool!