Moontanman Posted March 23, 2009 Report Posted March 23, 2009 Finding Twin Earths Is Harder Than ThoughtScienceDaily (Mar. 21, 2009) — Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA's Kepler spacecraft just launched to find such worlds. Once the search succeeds, the next questions driving research will be: Is that planet habitable? Does it have an Earth-like atmosphere? Answering those questions will not be easy. Finding Twin Earths Is Harder Than Thought Quote
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