Debate accelerates on #universe’s expansion speed.

A puzzling mismatch is plaguing two methods for measuring how fast the universe is expanding. When the discrepancy arose a few years ago, scientists suspected it would fade away, a symptom of measurement errors. But the latest, more precise measurements of the expansion rate — a number known as the #Hubble constant — have only deepened the mystery.(sciencenews)

https://www.sciencenews.org/article/debate-accelerates-universe%E2%80%99s-expansion-speed?mode=topic&context=36