International Collaboration Helps Pinpoint Universe’s Expansion Rate
via aanda.org
Short excerpt below. Read at the original source.
The universe is expanding, but the exact speed at which it’s doing so – a figure known as the “Hubble constant” – remains a mystery. Astronomers’ calculations have become far more precise over time, thanks to data from NASA’s Hubble and, more recently, James Webb space telescopes. But different approaches continue to offer slightly different […]