Tag: Habitable

  • NASA Discovers First Earth-size Planets

    Two weeks ago NASA announced the first planet is the habitable zone of another star.  Yesterday they announced the discovery of the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in the so-called habitable zone but they are the smallest exoplanets…