Maybe the Universe is closed after all.

Unfortunately the link at the end of this article only leads to an abstract. The paper itself is behind a paywall.

Quote:

A trio of researchers with the University of Manchester, Università di Roma; La Sapienza and Sorbonne Universities has sparked a major debate among cosmologists by claiming that data from the Planck space observatory suggests the universe is a sphere—not flat, as current conventional theory suggests. In their paper published in the journal Nature Astronomy, Eleonora Di Valentino, Alessandro Melchiorri and Joseph Silk outline their arguments and suggest their findings indicate that there exists a cosmological crisis that must be addressed.< More > https://m.phys.org/news/2019-11-plan...se-sphere.html

via International Skeptics Forum https://ift.tt/2qljvtV