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  Space: How are we recognizing objects in space?
   
   
 
 
 
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16th Nov 2012, 3:29 AM
Hi.

I just read a news about a planet, that is 100 light years away and I wonder, how can they tell that one small grey pixel is a planet? Please check the picture below.

http://www.bbc.co.uk/news/science-enviro....


 
 
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