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[A] We’ll "manage" Earth. [B] We’ll have a brain road map. [C] We’ll know where we came from....

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asteroids racing across the night sky are likely to hit Earth in the near future  workable solutions still have to be found to prevent a violent coming course of aster olds with the earth  the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime  while pushing asteroids off course nuclear weapons would destroy the world  
To find    Finding    Found    Find  
Violent coming courses of smaller asteroids with earth take place often than expected.  It's still too early to say whether such a violent coming course might happen.  Such a violent coming course might happen once every 25 years.  It is very unlikely but the danger exists.  
I'd love to    I agree with you    I'm afraid I won't    I hope so  

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