New 3D cosmic map raises questions over future of universe, scientists say

Sat, 4 May 2024 04:04:30 +1000

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://www.theguardian.com/science/2024/apr/04/biggest-ever-3d-map-universe-dark-energy-data-scientists>

"The biggest ever 3D map of the universe, featuring more than 6m galaxies, has
been revealed by scientists who said it raised questions about the nature of
dark energy and the future of the universe.

The map is based on data collected by the Dark Energy Spectroscopic Instrument
(Desi) in Arizona and contains three times as many galaxies as previous
efforts, with many having their distances measured for the first time.

Researchers said that by using this map, they have been able measure how fast
the universe has been expanding at different times in the past with
unprecedented accuracy.

The results confirm that the expansion of the universe is speeding up, they
added. However, the findings have also raised the tantalising possibility that
dark energy – a mysterious, repulsive force that drives the process – is not
constant throughout time as has previously been suggested."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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