Is the Universe a Giant Loop?

A new study suggests the cosmos may be curved in upon itself like a ball—but many experts remain unconvinced

• By Rafi Letzter, LiveScience on November 5, 2019

https://www.scientificamerican.com/article/is-the-universe-a-giant-loop/?utm_source=newsletter&utm_medium=email&utm_campaign=daily-digest&utm_content=link&utm_term=2019-11-05_featured-this-week&spMailingID=60916189&spUserID=Mjc4NzA1MTEzMTYyS0&spJobID=1760684459&spReportId=MTc2MDY4NDQ1OQS2