Facts about Gliese 667

1. 07

   In 2013, radial velocity analysis confirmed that Gliese 667Cd, an outer planet in the system, has a minimum mass of 3.6 Earth masses.

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2. 06

   Gliese 667's triple star system consists of two M-type dwarfs orbiting each other every 42.3 years while a third M-dwarf companion circles at a much greater distance.

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3. 05

   Gliese 667Cb, discovered in 2011, completes its orbit around the triple star system in just 7.2 days despite residing in the habitable zone.

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4. 04

   Approximately 23.62 light-years away, Gliese 667Cc orbits within its system's habitable zone with an orbital period of 28.13 days.

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5. 03

   The primary star in Gliese 667 is an M-class red dwarf with a spectral type of M1.5V, making it cooler and dimmer than our Sun.

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6. 02

   Gliese 667 is a triple star system with a combined mass of approximately 1.26 solar masses, orbited by at least seven planets discovered through radial velocity measurements.

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7. 01

   Three potentially habitable exoplanets orbit within the system Gliese 667, located approximately 23.62 light-years from Earth.

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