How one of the world’s greatest astronomers shaped our understanding of the universe
Astronomy
Astronomy
Deep Space
The Hubble constant has changed, once again
This new measurement is based upon measuring the distance to red giant stars in different galaxies
Deep Space
Astronomers uncover new way to measure space’s expansion
Using National Science Foundation (NSF) radio telescopes, we may now have resolved an outstanding question about the cosmos
Deep Space
Hubble and Gaia unite to understand cosmic expansion
Using the power and synergy of two space telescopes, astronomers have made the most precise measurement to date of the universe’s expansion rate.