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Newly discovered planet has three suns

8 July 2016 Astronomy Now

A team of astronomers led by the University of Arizona has discovered a planet known as HD 131399Ab in a unique position between three stars about 340 light-years from Earth. The finding shows that massive planets may be found on long and possibly unstable orbits in multi-star systems, expanding current models of how star systems and their planets form.

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New planet Kepler-1647b is largest discovered that orbits two suns

13 June 2016 Astronomy Now

If you cast your eyes toward the constellation Cygnus, you’ll be looking in the direction of the largest planet yet discovered with the widest orbit around a double-star system. It’s too faint to see with the naked eye, but a team led by astronomers from NASA’s Goddard Space Flight Center and San Diego State University used NASA’s Kepler Space Telescope to identify the new planet.

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Kepler finds tenth transiting ‘Tatooine’ exoplanet

11 August 2015 Astronomy Now

Astronomers have discovered the tenth known ‘transiting circumbinary’ planet, which orbits two stars. Like the fictional planet “Tatooine” from Star Wars, this planet has two suns in its sky. Known as Kepler-453 b, the new planet is a gas-giant six times the diameter of Earth and lies in the habitable zone of its host pair of stars.