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

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.


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4th Feb 2022, 3:05 PM
I can see that
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changed: annerobert (23rd Aug 2023, 2:23 PM)
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