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Every time you open your eyes to look at something, you’re literally looking back in time.
Consider: light travels at a speed of 186,000 miles per second (or 300 million meters per second), so if you’re looking at someone or something from a distance of one meter, you’re seeing it not as it is but as it was three-billionths of a second ago.
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Click link below for story, video and slideshow:
http://www.huffingtonpost.com/2015/05/04/space-time-video_n_6843164.html?utm_hp_ref=science
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James' World 2 