Astronomy:Spacefiles — Quest

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Astronomy:Spacefiles — Quest

We humans are the results of the evolution of the matters in the universe, and humans use their intelligence to explore the history and environmental changes. We often ask: how big is the universe? Where does the matters in the universe come from? Besides the earth, does somewhere in the universe have life existence?

  • Added:2006
  • Country:Britain
  • Duration:10
  • Time of update:2011/8/25 14:20:43

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