Although planet earth is very active geologically and supports life to a very large range. Human has been residing and evolved on this planet some 200 million years. Even the life evolved in this earth before 4 billion years ago. But the main problem is sun is getting warmer day by day. So one day sun will be 2000 times more brighter and hotter than now. So the humanity must have taken refuge on some other planet other than earth. The speed at which humanity is inventing and learning. So it is estimated that then human would have learned to inhabit on some other planet to survive.
Tuesday, 26 January 2016
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