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Here on Universe Today we often discuss things that exist on the atomic and sub-atmonic scale. Even though astronomy is concerned with very big things that happen over very, very large distances and time spans, the reality is that our Universe is driven by events occurring on the tiny atomic scale.
We all know atoms are really small (and the particles inside them are even smaller.) But… how small are they, really? To help answer that question, here’s a neat little animation from TEDEducation, presented by Jonathan Bergmann and Cognitive Media.
(That’s one big grapefruit!)