The universe might be a giant loop
Dec 05, 2019
2 minutes
Words by Rafi Letzter
Everything we think we know about the shape of the universe could be wrong. Instead of being flat like a bedsheet, our universe may be curved like a massive, inflated balloon. That's the upshot of a new paper published in the journal Nature Astronomy which looks at data from the cosmic microwave background (CMB), the faint echo of the
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