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Astronomy

New Study Finds Universe’s Expansion Is Slowing, Not Accelerating

New study challenges accelerating universe theory with supernova data correction

From Hacker News Original Article Hacker News Discussion

New research suggests the universe’s expansion may have already started to slow down, challenging the long-held belief that it is accelerating due to dark energy.

Why it matters: This could fundamentally change our understanding of dark energy and the universe’s past and future evolution.

The big picture: The study corrects biases in supernova data, aligning observations with models showing time-varying dark energy and deceleration.

Stunning stat: The age-bias correction in supernova data was confirmed with 99.999% confidence, overturning the standard ΛCDM model.

Commenters say: Many highlight the potential paradigm shift and call for further confirmation, while some ponder implications for cosmic cycles and space travel feasibility.