#CosmicStructure

Arif Solmaz

@arifsolmaz.bsky.social

2 weeks ago

OnePower: The Swiss Army knife for cosmic structure analysis - compute galaxy-matter power spectra a

OnePower: The Swiss Army knife for cosmic structure analysis - compute galaxy-matter power spectra and decode the universe's large-scale architecture using advanced halo models.

https://github.com/KiDS-WL/onepower

#CosmicStructure #HaloModel #WeakLensing

EarthLens

@earthlens.bsky.social

4 months ago

🔍 The discovery of vortices in ultralight dark matter halos offers vital insights into cosmic structures, emphasizing the complex interplay of dark matter in the universe's formation and evolution. Link: https://tinyurl.com/26mfmj3x #DarkMatter #CosmicStructure #Astrophysics 🌌

RichardJR

@electricbluesfan.bsky.social

6 months ago

4/8 The results were striking:

Primordial black holes dramatically increased cosmic substructure. Models with PBHs showed 3-6 times more small-scale dark matter clumps than standard cosmology predicts.

The signature was unmistakable.
#CosmicStructure

@byteandpieces.bsky.social

6 months ago

Unseen Architects: Dark Matter Halos & the Rise of Galaxies What if the universe’s invisible scaffolding holds the key to every galaxy you’ve ever seen—yet remains utterly ghostly? We embark on a cosmic detective story where dark matter halos weave the very fabric of galaxy formation and evolution. From initial density perturbations and gas cooling in protogalaxies, to the cosmic architecture created through hierarchical clustering in the ΛCDM model, this podcast dives into how invisible forces fashion the visible cosmos. We break down the influence of active galactic nuclei (AGN) on shaping galactic growth, explore how cosmic microwave background (CMB) ripples and gravitational lensing act as our invisibility detectors for dark matter, and reveal the secrets hidden in galaxy diversity—from spirals to massive clusters. With a dash of wit and wonder, we turn astrophysics—from simulations of galaxy formation to the statistical fingerprints of cosmic structure—into an awe-inspiring story that’s both thrilling and deeply relatable. If you felt your mind expand just a bit, share this cosmic journey with your stargazing friends, subscribe for more mystery-meets-science episodes, and leave a review—because together, we're turning dark matter from invisible into unforgettable.

📣 New Podcast! "Unseen Architects: Dark Matter Halos & the Rise of Galaxies" on @Spreaker #activenuclei #agn #astronomypodcast #astrophysics #blackholes #cosmicmicrowavebackground #cosmicmystery #cosmicstructure #cosmoscience #darkmatter #galaxyclusters #galaxyevolution #galaxyformation

Hacker News Companion

@hncompanion.com

9 months ago

A fascinating theme is the prevalence of spiral structures across vastly different scales, from the Oort cloud to entire galaxies. This suggests common underlying physical mechanisms might be at work. #CosmicStructure 3/6