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#darkenergy

2 posts2 participants0 posts today
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earthling

"However, that might not happen. We might search and make no headway in understanding the situation. If that happens, we would need to rethink not just our research, but the study of cosmology itself. We would need to find an entirely new cosmological model, one that works as well as our current one but that also explains this discrepancy. Needless to say, it would be a tall order."

singularityhub.com/2025/04/12/

#cosmology
#universe
#DarkEnergy

Flammarion engraving 1888 https://en.wikipedia.org/wiki/Flammarion_engraving
Public
ahimsa

Here's some DESI news for you!

No, not that kind of Desi, I'm talking about research done by the Dark Energy Spectroscopic Instrument (DESI) 🔭

Report from Science Friday:

sciencefriday.com/segments/dar

"... it appears possible that dark energy—whatever it is—has changed over the lifetime of the universe. In other words, the so-called cosmological constant may not, in fact, be a constant."

Includes audio and transcript.

Science Friday · DESI Data Strengthens Evidence Of Change In Dark EnergyBy Emma Gometz
#Science#Space#DarkEnergy
Replied in thread
Public
Hans 🙋‍♂️

"Afzwakkende donkere energie zet ons beeld van de kosmos op zijn kop"

--> "Nieuwe waarnemingen van het Dark Energy Spectroscopic Instrument wijzen erop dat deze mysterieuze kracht steeds zwakker wordt."

--> "Als donkere energie namelijk steeds zwakker wordt, kan het universum een toestand bereiken waarin de uitdijing niet langer steeds sneller gaat, maar een constante snelheid bereikt"

(Via #newscientist_NL ) #nieuwsbrief #darkenergy
newscientist.nl/nieuws/afzwakk

New ScientistAfzwakkende donkere energie zet ons beeld van de kosmos op zijn kopNieuwe waarnemingen wijzen erop dat donkere energie steeds zwakker wordt. Dat gooit ons beeld van het universum volledig overhoop.
Public *
IRAP

[Zoom on the #CosmicWeb] Have you dived into the deep fields of #Euclid revealed this Wednesday by the @ec_euclid ? Have you navigated between the thousands of #galaxies of different shapes, sizes, colors and masses? So many objects, near and far, fill our #Universe! sky.esa.int/esasky/?hide_welco

What if their spatial distribution could tell us something about two mysterious components : #DarkMatter and #DarkEnergy? This is the gamble taken by the scientists involved in the Euclid mission. To do so, they've designed some unrivalled #instruments: a camera with great depth of field and high resolution records the variety of shapes and spatial distribution of galaxies, while a #spectrometer coupled with a #photometer can determine the distances and masses of galaxies ...

Alain Blanchard, professor at the University of Toulouse and researcher at IRAP, comments on the consortium's first-ever publication of scientific data: irap.omp.eu/en/2025/03/euclid-

Euclid Deep Field South. Copyright ESA
Public
Cosmic Log

Sky survey boosts the case for dark energy’s downturn
It's looking more and more as if dark energy, the mysterious factor that scientists say is behind the accelerating expansion of the universe, isn't as constant as they once thought.

The latest findings from the Dark Energy Spectroscopic Instrument, or DESI, don't quite yet come up to the level of
cosmiclog.com/2025/03/20/sky-s
#CosmicSpace #Cosmology #DarkEnergy #DESI #Space

Cosmic Log · Sky survey boosts the case for dark energy’s downturnIt’s looking more and more as if dark energy, the mysterious factor that scientists say is behind the accelerating expansion of the universe, isn’t as constant as they once thought. The…
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