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Scientists alarmed after massive blue object appears in satellite images

A vivid blue shape blooming across new satellite images has jolted researchers who spend their careers scanning for subtle ...
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Why NYC buildings use ‘sky blue’ in their 9/11 tributes

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – The National 9/11 Museum & ...