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An ecosphere or habitable zone is that part of space around a star where planets or moons will have stable climate conditions suitable for carbon-based life, for several hundred million years. Only stars on the main sequence fit this requirement, but they too are very different and diverse. Here we present you some popular examples from our stellar neighbourhood, describing how different an Earth-like world would be around each of them. |
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For a more experimental approach to this topic, you may use the Alien Planet Designer by John Bray.
