Could Human Beings Ever Reach 'Earth 2.0'? - NBCNews.com

NBCNews.com
Could Human Beings Ever Reach 'Earth 2.0'?
NBCNews.com
Kepler-452b is the most Earth-like planet ever discovered, a place with just enough sunlight to possibly support the crops and house plants of life forms like ourselves. But don't pack your bags just yet. While the planet might seem like a tantalizing ...
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