Scale of the Universe

Posted on October 22, 2015 by davidbdale

Try to wrap your head around these measurements. And while you’re at it, try to find the measure of your head in this video that charts the relative sizes and distances of everything.

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About davidbdale

What should I call you? I prefer David or Dave, but students uncomfortable with first names can call me Professor or Mister Hodges. My ESL students' charming solution, "Mister David" is my favorite by far.
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