17D ago
1 sources
DESI’s large‑scale structure measurements (galaxy clustering across redshift) are being interpreted as tentative evidence that the dark‑energy component of the Universe may change with time rather than remaining a true cosmological constant. If confirmed by independent surveys and cross‑checks, this would require new physics beyond ΛCDM and alter predictions for the Universe’s expansion history and ultimate fate.
— A robust signal of evolving dark energy would rewrite a foundational cosmological assumption, reshaping funding priorities, space missions, and public narratives about the Universe.
Sources: Starts With A Bang podcast #125 – Large-scale structure