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*Gliese 581c has a radius 50% larger than the Earth.
 
*Gliese 581c has a radius 50% larger than the Earth.
 
*Gliese 581c has 5 times the Earths mass.
 
*Gliese 581c has 5 times the Earths mass.
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*Gliese 581c has a gravitation fieldthat is about 2.2 times stronger than that on Earth.
 
*Gliese 581c is 14 times closer to its star than the Earth is to our Sun.  
 
*Gliese 581c is 14 times closer to its star than the Earth is to our Sun.  
 
*Gliese 581c has an estimated surface temperature between 0 and 40°C, the average surface temperature on Earth is around 15 °C.
 
*Gliese 581c has an estimated surface temperature between 0 and 40°C, the average surface temperature on Earth is around 15 °C.
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