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Radius of observable universe | Scale of the universe | Cosmology & Astronomy | Khan Academy - YouTube
![Request] if a circle the size of the observable universe can have its circumference calculated with pi to its 40th digit down to a single hydrogen atom. how many more digits would Request] if a circle the size of the observable universe can have its circumference calculated with pi to its 40th digit down to a single hydrogen atom. how many more digits would](https://external-preview.redd.it/aKgWX90bjmM2eLOqniluB7KszEmBmcbispSKZIvR72Y.jpg?auto=webp&s=f1f16c8665ea765fbf675e88ca1d38b027c98dc4)
Request] if a circle the size of the observable universe can have its circumference calculated with pi to its 40th digit down to a single hydrogen atom. how many more digits would
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