Infinity

How many stars are in the visible universe, anyways? A couple years ago, scientists from Australia announced that the total number of stars in the “visible portion” of the physical universe is probably 10 times more than all the grains of sand on all the beaches and deserts of Earth. This number would be expressed as a 7 followed by 22 zeroes. And those are just the visible stars! Ultimately, the number of stars in the universe — both visible and beyond our vision — might be ‘infinite’.

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