The headlines have been coming thick and fast – a trio of SuperEarths in the habitable zone of Gliese 667C, two probably rocky planets in the Goldilocks zone around Kepler-62 and possible SuperEarths orbiting Tau Ceti and HD 40307 at just the right distance for liquid water to exist on their surfaces, albeit under certain conditions. These are all just from the past twelve months. Should those exoplanet hunters who are seeking out Earth 2, a planet where life as we know it could possibly exist, start to feel excited?
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