This Is The Most Exciting Crisis in Cosmology

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For as long as there has been a Universe, space has been expanding. It winked into existence roughly 13.8 billion years ago, and has been puffing up ever since, like a giant cosmic balloon.

Source: www.sciencealert.com/we-can-t-figure-out-how-fast-the-universe-is-expanding-here-s-why/

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