Answers

2016-07-18T21:44:23+08:00
maybe yes because the universe is very big and most of the parts didn't explore yet by astronomers
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2016-07-25T15:28:55+08:00
A little possibility, Earth is a planet that is complex and have the life the other planets dont have.Life is costly and when it lacks some requirements then it would not exist.But we cannot take away the fact that there will be some few.But as for now there is no planet that have life except Earth. It is found in the habitable zone which favor life but it may not be found in other planet these may be harmful for life to exist. 
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