Have you ever wondered how small a red blood cell actually is? Compared to a red blood cell, how big is a basketball? Compared to a basketball, how big is Earth?
The answers to these questions, and many more, are drawn out, animated and explained in Business Insider Science’s video, “The Scale of the Universe.” Fascinated by what you see? Share the video with your friends!
Featured photo credit: Business Insider via businessinsider.com
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