NASA's Kepler spacecraft has found planet pairs on very similar orbits, with orbital distances differing by as little as 10 percent. If such a planet pairing occurred in the right place, then both planets could sustain life and even help each other along
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NASA's Kepler spacecraft has found planet pairs on very similar orbits, with orbital distances differing by as little as 10 percent. If such a planet pairing occurred in the right place, then both planets could sustain life and even help each other along
Explanation: