Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia Verde
December 11, 2025 (17h CET | 11H EDT)
You can join online this Game Changers Event with this Zoom Link
The Hubble constant is widely acknowledged as a key test of our understanding of cosmology and the history of the Universe: its locally measured value differs from prevailing cosmological predictions with very high significance. The participants in a weeklong ISSI workshop in March have developed a new formalism, the Distance Network, to enable a rigorous analysis of a large, diverse set of distance measurements, yielding a more precise and robust value of the Hubble constant – and strengthening the discrepancy with cosmological predictions. The Distance Network formalism will be made publicly available and has the capability to incorporate future measurements as they become available.
In March 2025, the International Space Science Institute (ISSI) in Bern hosted an inspiring week-long workshop titled “What’s under the H₀od? Towards Consensus on the Local Value of the Hubble Constant”, bringing together some of the world’s leading cosmologists to tackle one of astronomy’s most puzzling problems: the rate at which the universe is expanding. Among them was Prof. Dr. Adam Riess, Nobel Prize-winning astrophysicist from Johns Hopkins University, who co-convened the workshop and also gave a widely attended public lecture as part of ISSI’s outreach series.
