Do these exoplanets support life?

The search for exoplanets is also the search for alien life and habitable spaces beyond our star system. NASA’s Kepler and K2 missions have identified several such candidates.  One of the factors that must be satisfied in order to be considered habitable is that exoplanets must orbit within a distance of their stars in which liquid water can exist on the planet’s surface, receiving about as much sunlight as Earth. This distance is called the “Goldilocks” zone because it is neither too far or too close to the star that life becomes impossible.

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