Ten potentially habitable worlds have been announced today by Nasa. They are part of a group of 219 exoplanets revealed by the space agency in its eighth Kepler planet catalogue.
The ten planets are Earth-sized and in the habitable zone of their stars. This means they are at just the right distance for liquid water to exist on their surfaces.
Just under half of these are orbiting G dwarf stars – stars the same size as our Sun.
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