The Sky at Night S63E2 — Is Cosmology in Crisis?
7.2

Is Cosmology in Crisis?

7.2/10 · 8 votesFeb 10, 2019

Ranked #5 of 10 in Season 63•−0.1 vs season avg

Discussion

Ever since we discovered that distant galaxies are racing away from us, there has been a heated debate over just how fast the Universe is expanding. At the beginning of the 21st century, we thought we knew the answer. But now, two very different viewpoints