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The U.S. space agency NASA will launch its first ever mission Friday to find Earth-like planets in our region of the Milky Way.

Scientists will be holding their breath as the Kepler spacecraft -- mounted with the biggest telescope ever to be launched into space -- lifts off from the Cape Canaveral Air Force Station in Florida.

"Everything about the mission is optimized to find Earth-size planets with the potential for life, to help us answer the question -- are Earths bountiful or is our planet unique?," said the man leading the mission, Bill Borucki, science principal investigator for the mission at NASA's Ames Research Center. Read full article »

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