Gliese 667C is a well studied nearby star . Atleast six planets orbit the Star . Three of them within the habitable zone . Where liquid surface water can exist . The Gliese 667c is a red dwarf . Smaller than our sun and only 1.4 percent as bright . The star distance from Earth is about 22 light years. The three exoplanets within the habitable zone are called Gliese 667Cc,f,e . These three planets are expected to be tidally locked . Always showing the same face to their sun as they orbit . Gliese 667Cc has radius l.8 times that of earth and orbits star in 28 earth days . It has 3.7 times the mass of earth receiving about 90 percentage of light that earth does . Possibilities for water on t...