Astronomers Using Kepler Telescope Discover First Earth-Sized Exoplanet Within The Habitable Zone






” A potential game changer in the hunt for life outside our neighborhood has just been discovered about 493 light years away. Using NASA’s Kepler Space Telescope, astronomers have found a rocky planet that is similar in size to Earth and is within the “habitable zone” of the star it orbits.

  The discovery of this planet, called Kepler-186f, is confirmation that exoplanets the size of Earth do exist in the habitable zone of stars other than our sun. The habitable zone – often referred to as the Goldilocks Zone – is the range of distance from a star where liquid water can pool on the surface of an orbiting planet.

  This is not the first planet that has been discovered within the habitable zone, but it is the first of near equal size to Earth. Other larger planets that have been found have been at least 40 percent larger than Earth and have been difficult for researchers to determine their exact composition.”

Red Orbit has the story