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Kepler-16B is the first planet known to orbit two stars. These planets are known as circumbinary planets. The estimated surface temperature of this planet is as low as -100°C. This planet is 200 light years away from earth. The suns that this planet orbits are smaller and cooler than our sun.

One of them is an orange dwarf with 69% mass of the sun and the other one is a red dwarf and has 20% mass of the sun. Kepler-16B is a member of a binary star system named Kepler 16.  This planet is treated to two different sunsets every evening. It is not habitable as we know it.


Quick Facts: –

  • Kepler 16B is an exoplanet that orbits in the system of two stars in the Cygnus Constellation.
  • It completes its orbits of two stars within the period of 229 earth days.
  • The distance of its orbits is around 65 million miles which is roughly the same distance as the orbit of planet Venus.
  • These two stars also orbit each other and they complete it in 41 earth days.
  • The light of these stars periodically gets dimmer that means there is a planet passing between the star and Kepler’s instruments.
  • The Kepler 16 system is estimated to be around two billion years old.
  • Any object on this planet will have two different shadows.
  • There is no possibility of life on this planet because of its scorching hot temperature and lack of air.
  • The concept of a planet with two suns was introduced in the earliest Star wars film. Now, this science fiction has turned into reality.
  • Kepler-16B is composed of roughly half rock and half gas.
  • Discovery of this planet demonstrates the diversity of planets in our galaxy.
  • There are approximately 350 exoplanets about the size of Earth. None of has been found in the ‘habitable zone’.



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