https://www.universetoday.com/articles/this-jwst-image-shows-gravitational-lensing-at-its-finest
The latest image release from the James Webb Space Telescope shows another beautiful field filled with galaxies and gravitational lenses
gravitational lensingjwstimageshowsfinest
https://interestingengineering.com/science/gravitational-lensing-of-waves-way-to-measure-universes-expansion
Jul 4, 2023 - The disparity in the measurement of the expanding universe is known as Hubble tension, and some experts say it is a "crisis in cosmology."
a better waygravitational lensingwavesmeasure