ScienceCasts: Hubble’s Contentious Constant
- 3 years ago
ScienceCasts: Hubble’s Contentious Constant
There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.
There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.