The nearest stellar system consists of the stars Proxima, alpha Centauri A and B and at least one planet Proxima b. The habitability of Proxima b and any other planets are likely to be significantly influenced by the orbital evolution of the system.
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Proxima Centauri b: September 2017
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The nearby exoplanet Proxima Centauri b will be a prime future target for characterization, despite questions about its retention of water.
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