Moontanman Posted January 21, 2009 Report Posted January 21, 2009 Why the universe may be teeming with aliens WANTED: Rocky planet outside of our solar system. Must not be too hot or too cold, but just the right temperature to support life. It sounds like a simple enough wish list, but finding a planet that fulfils all of these criteria has kept astronomers busy for decades. Until recently, it meant finding a planet in the "Goldilocks zone" - orbiting its star at just the right distance to keep surface water liquid rather than being boiled off or frozen solid. Why the universe may be teeming with aliens - space - 19 November 2008 - New Scientist Quote
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