Re: OT: Dark energy 'does not exists'

On 12/01/2025 05:39, Jan Panteltje wrote:

Dark energy 'doesn't exist' so can't be pushing 'lumpy' Universe apart
  https://www.sciencedaily.com/releases/2024/12/241220133038.htm
Source:
  Royal Astronomical Society
Summary:
  One of the biggest mysteries in science -- dark energy -- doesn't actually exist,
  according to researchers looking to solve the riddle of how the Universe is expanding.
  For the past 100 years, physicists have generally assumed that the cosmos is growing
  equally in all directions.
  They employed the concept of dark energy as a placeholder to explain unknown physics
  they couldn't understand, but the contentious theory has always had its problems.
  Now a team of physicists and astronomers are challenging the status quo,
  using improved analysis of supernovae light curves to show that the Universe
  is expanding in a more varied, 'lumpier' way.
 All about clocks running faster in empty space....

More accurately about clocks running slower in deep gravitational potential wells, but that effect seems to me way too small to account for the apparent acceleration seen in galaxies at ultra high redshift.
The original paper is online here free access (all 24 pages of it):
https://academic.oup.com/mnras/article/533/3/2615/7737665
Not an easy read. lambdaCDM still fits at least as well...
--
Martin Brown