At a recent conference in Cancun, cosmologist Seshadri Nadathur highlighted groundbreaking findings that suggest dark energy, a force believed to be driving the accelerating expansion of the universe, may not be as constant as previously thought. Results from the Dark Energy Spectroscopic Instrument (DESI) offered compelling evidence for fluctuations in the rate of cosmic expansion, potentially overturning assumptions that have framed cosmological understanding for nearly three decades. This revelation not only complicates the standard model of cosmology but also calls for a reevaluation of fundamental physics regarding the universe's history and fate.
The most exciting thing that's happened in cosmology in 25 years, suggests Seshadri Nadathur, as new findings challenge the long-held assumptions about dark energy.
A recent DESI survey hints that dark energy may not be constant and could fluctuate, threatening to upend the established model of cosmology.
With nearly triple the data on galaxy coordinates, our latest DESI analysis offers the strongest evidence yet that cosmic expansion is not uniform.
Understanding an evolving dark energy could necessitate significant changes to foundational physics, offering insights into the universe's past and future.
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