BoudSeems like we have some more cosmologists on Fedi - hi @AstroMikeHudson + @telescoper - and hi @jaffe who was here on Fedi before me :).
For grouping cosmo threads - mention
@cosmology
Benjamin Carr, Ph.D. 👨🏻💻🧬#Cosmologists Try a New Way to Measure the Shape of the #Universe
Is the universe flat and infinite, or something more complex? 15 scientists from seven countries known as Compact collaboration has devised a new way of finding #topological clues.
Looking at the cosmic microwave background (CMB), photons from early universe The CMB tells us how the universe looked just 380,000 years after the #BigBang, when light was first able to travel through the cosmos unimpeded.
https://www.quantamagazine.org/cosmologists-try-a-new-way-to-measure-the-shape-of-the-universe-20250127/
Is the universe flat and infinite, or something more complex? 15 scientists from seven countries known as Compact collaboration has devised a new way of finding #topological clues.
Looking at the cosmic microwave background (CMB), photons from early universe The CMB tells us how the universe looked just 380,000 years after the #BigBang, when light was first able to travel through the cosmos unimpeded.
https://www.quantamagazine.org/cosmologists-try-a-new-way-to-measure-the-shape-of-the-universe-20250127/
SubtleBlade ⚔️World’s top #cosmologists convene to question conventional view of the #universe
Meeting at London’s #RoyalSociety will scrutinise basic model first formulated in 1922 that universe is a vast, even expanse with no notable features
https://www.theguardian.com/science/2024/apr/14/worlds-top-cosmologists-convene-to-question-conventional-view-of-the-universe
#Cosmology
CorradoBy mapping the largest structures in the #universe, #cosmologists have found that a cosmic anomaly appears to be fading away.
Daniel PomarèdeFirst citations for Ho'oleilana!
https://ui.adsabs.harvard.edu/abs/2023ApJ...954..169T/citations
#hooleilana #laniakea #cosmology #cosmologists #bao #baryon #acoustic #oscillations #astronomy #astrophysics #astrodon #universe #space #science #research #discovery #cosmography #superclusters #physics #theory #publication #metrics #publishorperish
Ho'oleilana: An Individual Baryon Acoustic Oscillation?
Theory of the physics of the early hot universe leads to a prediction of baryon acoustic oscillations (BAOs) that has received confirmation from the pairwise separations of galaxies in samples of hundreds of thousands of objects. Evidence is presented here for the discovery of a remarkably strong individual contribution to the BAO signal at z = 0.068, an entity that is given the name Ho'oleilana. The radius of the 3D structure is $155\,{{\rm{h}}}_{75}^{-1}$ Mpc. At its core is the Boötes supercluster. The Sloan Great Wall, Center for Astrophysics Great Wall, and Hercules complex all lie within the BAO shell. The interpretation of Ho'oleilana as a BAO structure with our preferred analysis implies a value of the Hubble constant of ${76.9}_{-4.8}^{+8.2}\,\mathrm{km}\,{{\rm{s}}}^{-1}\,{\mathrm{Mpc}}^{-1}.$
As measurements of distant #stars and #galaxies become more precise, #cosmologists are struggling to make sense of sparring values.
This so-called "#Hubbletension" poses a puzzle for #cosmologists. #Researchers from the Universities of Bonn and St. Andrews are now proposing a new solution: Using an alternative #theory of #gravity, the discrepancy in the measured values can be easily explained—the Hubble tension disappears.
ᴄᴏʀʀᴀᴅᴏ#NewcastleUniversity #researchers used insights gained from the study of ultracold atomic #BoseEinsteincondensates to analyze the behavior of #fuzzydarkmatter, a new model for cosmological dark matter that has recently drawn the attention of #cosmologists.
Research sheds light on new model of cosmological dark matter
Newcastle University researchers used insights gained from the study of ultracold atomic Bose Einstein condensates to analyze the behavior of fuzzy dark matter, a new model for cosmological dark matter that has recently drawn the attention of cosmologists.
Our #standardmodel of #cosmology is both a triumph and a jumbled mess -
#Cosmologists are largely still in the dark about the #forces that drive the #Universe.
https://bigthink.com/13-8/standard-model-cosmology-jumbled-mess/
Steve Dustcircle 🌹#StephenHawking’s parting shot is a fresh challenge to #cosmologists
https://www.newscientist.com/article/mg25734313-200-stephen-hawkings-parting-shot-is-a-fresh-challenge-to-cosmologists/
https://www.newscientist.com/article/mg25734313-200-stephen-hawkings-parting-shot-is-a-fresh-challenge-to-cosmologists/
