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Earth The Size Of A Tennis Ball

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  • 2 months later...

You'll feel how small and insignificant you're in 3,2,1....

But seriously, this approach is the best to understand the actual size of the Universe. I've read the scientific data and watched lots of similar videos but only this one made me understand everything. Thank you for sharing this.

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Posted (edited)

I visualise the observable universe size - 96BLYRS - this way: if the diameter of our galaxy is 1mm, the universe is 960m across.

Edited by StringJunky
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Just note that UY Scuti is no longer considered the largest star. Turns out it's much closer to us than originally thought so the calculations of diameter were inaccurate... It's still ginormous, just not the most ginormous. 

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