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Galactic Archaeology Reveals How a Galaxy Formed Over 12 Billion Years #Science #Space #Astronomy #GalacticArchaeology #GalaxyFormation #CosmicHistory

www.discovermagazine.com/galactic-archaeology-rev...

How giant galaxies could form just 1.4 billion years after the Big Bang The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international team led by Nikolaus Sulzenauer and Axel Weiß from the Max Planck Institute for Radio Astronomy (MPIfR) used data from the Atacama Large Millimeter/submillimeter Array (ALMA) to shed light on this open question of galaxy formation. They studied one of the most spectacular galaxy aggregations in great detail and published their results in the current issue of The Astrophysical Journal.

How giant galaxies could form just 1.4 billion years after the Big Bang #Science #Space #Cosmology #BigBang #GalaxyFormation

www.universetoday.com/articles/how-giant-galax...

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✨Ancient galaxy giants baffled astronomers! ALMA reveals clues to their surprising early universe origins.🤯 How did they form so soon?🌌 #galaxyformation

Source: phys.org/news/2026-02-giant-galax...

🌟🎄 Ever seen a galaxy dressed for Christmas? In 2024, @NASAScience_ James Webb Space Telescope captured the Christmas Tree Galaxy Cluster! 🌌🔭

Wishing you wonder and light this holiday season! ✨

#JWST #GalaxyFormation #HappyHolidays

Credit: NASA Chandra X-ray Observatory

Original post on nasaspacenews.com

Webb Telescope Reveals the Universe’s Chaotic Childhood in Early Galactic Kinematics Universe’s Chaotic Childhood revealed through JWST observations showing early galaxies were turbulent, gas-f...

#Astrophysics #Astrobiology #Astrophysics #CosmicEvolution […]

[Original post on nasaspacenews.com]

A Galaxy's Age Determines What Type Of Planets It Can Form The chemistry of a galaxy changes over time as generations of stars live and die, spreading the results of their nucleosynthesis out into space. But stars with different masses produce different elements,...

A Galaxy's Age Determines What Type Of Planets It Can Form #Science #Space #PlanetaryScience #GalaxyFormation #Planets #Astrophysics

Rutgers Study Maps Dark Matter “Fingerprints” in Early Galaxies

Rutgers mapped dark‑matter fingerprints using Lyman‑alpha galaxies at 2.8, 2.1 and 1.4 billion years after the Big Bang, finding only 3‑7% of dense regions host such galaxies. Read more: getnews.me/rutgers-study-maps-dark-... #darkmatter #galaxyformation

The nature of dark matter is a key question in astrophysics. Download the new free teaching resource Fundamentals of Dark Matter by Ignacio Ferreras. He explains what it covers here:

👉 youtu.be/H9yMOnbJz8c?...

uclpress.co.uk/book/fundame...

#Particles #Cosmology #GalaxyFormation #DarkMatter

A remarkable ruby: Absorption in dense gas, rather than evolved stars, drives the extreme Balmer break of a little red dot at z = 3.5 | Astronomy & Astrophysics (A&A) Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics

2/ ✨The research by Anna de Graaff and her team proposes that black hole stars could explain the rapid formation of early #galaxies. If true, this could revolutionize our understanding of the universe! #GalaxyFormation #BlackHoleResearch

Mystery Objects in the Distant Universe Challenge Galaxy Formation Ideas The early Universe continues to spring surprises on astronomers. In a recent study of dim, distant objects, astronomers at the University of Missouri found at least 300 of them that look way too bright....

Mystery Objects in the Distant Universe Challenge Galaxy Formation Ideas #Science #Space #Astronomy #GalaxyFormation #DistantUniverse #CosmicMystery

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

7/8 FRB 20240304B originated during "cosmic noon" - when the Universe was forming stars at its most furious rate. This demonstrates FRBs can probe galaxy formation during the most active era in cosmological history.
#CosmicNoon #GalaxyFormation

Notre compréhension de l’Univers mise à mal par une découverte du télescope James Webb Il s’agit d’une trouvaille susceptible de bouleverser les fondements mêmes de la cosmologie moderne.

Six galaxies "brise‑modèles" observées à seulement 500‑700 M ans après le Big Bang : des masses > 10¹⁰ M☉, révolution imminente en cosmologie.
www.neozone.org/aerospatiale...
#Space #Astrophysics #JWSTData #GalaxyFormation #Cosmology

Original post on mastodon.social

Six galaxies "brise‑modèles" observées à seulement 500‑700 M ans après le Big Bang : des masses > 10¹⁰ M☉, révolution imminente en cosmologie.
www.neozone.org/aerospatiale/notre-compr...
#Space #Astrophysics […]

The Milky Way could be teeming with more satellite galaxies than previously thought The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, according to new research. Cosmologists at Durham University used a new technique...

Durham cosmologists predict up to 100 hidden satellite galaxies around the Milky Way. Stripped of dark matter, these “orphan” galaxies may resolve the missing satellites problem and help guide future deep-sky surveys.
🧪🔭
#DarkMatter
#GalaxyFormation
Source:
conference.astro.dur.ac.uk/event/7/cont...

Simulations find ghostly whirls of dark matter trailing galaxy arms Galaxies are far more than the sum of their stars. Long before stars even formed, dark matter clumped up and drew regular matter together with its gravity, providing the invisible scaffolding upon which...

Simulations find ghostly whirls of dark matter trailing galaxy arms #Science #Space #Astrophysics #DarkMatter #GalaxyFormation #AstrophysicsResearch

A Monster Galaxy Is Forming Stars 300x Faster Than the Milky Way – And It Has a Perfect Spiral A massive barred spiral galaxy from the early Universe has stunned astronomers by forming stars at 300 times the rate of the Milky Way, without signs of a galactic collision. Using Webb and ALMA, researchers...

A Monster Galaxy Is Forming Stars 300x Faster Than the Milky Way – And It Has a Perfect Spiral #Science #Space #Astrophysics #GalaxyFormation #SpaceNews

6/12 DESI measures galaxy motions through redshift and traces their distributions using baryon acoustic oscillations (BAOs)—essentially cosmic ripples from sound waves in the early universe's hot plasma that seeded today's galaxy structures.
#GalaxyFormation #CosmicEvolution

4/ Why does it matter? This work reshapes our understanding of the universe’s formative billion years and sets a new benchmark for future astrophysical modeling. Congratulations, @Anirban_096!
#Astrophysics #JWST #GalaxyFormation #TIFR #NCRA #Cosmology #EoR

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What is a dark matter halo? #DarkMatter #GalaxyFormation #Astronomy #Astrophysics search.app/LnHXS

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A Galaxy Died Just 700 Million Years After the Big Bang – And Science Can’t Explain Why Astronomers using the James Webb Space Telescope have discovered the most distant quiescent galaxy ever seen – one that had already stopped forming stars just 700 million years after the Big Bang. This...

A Galaxy Died Just 700 Million Years After the Big Bang – And Science Can’t Explain Why #Science #Space #Cosmology #GalaxyFormation #BigBang #Astronomy

Starquakes Serenade Us With Songs of the Galaxy’s Formation Learn more about the songs of the stars, which tell of the transformation of our galaxy over time.

Starquakes Serenade Us With Songs of the Galaxy’s Formation #Science #Space #Astrophysics #Starquakes #GalaxyFormation

A visualization of the universe's evolution from the Big Bang to the present day. The image shows a simulated Hubble Volume, depicting the universe's expansion and the formation of large-scale structures over billions of years. The left side represents the early universe, while the right shows the present day and beyond.

Astronomy Picture from 30/06/1998

The Universe Evolves

Source: https://apod.nasa.gov/apod/ap980630.html


#Cosmology #UniverseSimulation #BigBang #HubbleVolume #SpaceTime #Astrophysics #UniverseEvolution #ScienceVisualization #Simulation #DarkMatter #GalaxyFormation

A close-up image of the Cosmic Infrared Background (CIB), showcasing light from the earliest stars and galaxies. The image, captured by the 2MASS telescope, reveals a surprisingly bright background, indicating prolific star formation in the early universe (redshift 1-7). The speckled appearance is due to the distribution of these ancient celestial objects. Black areas represent obscured regions.

Astronomy Picture from 06/02/2002

The Cosmic Infrared Background

Source: https://apod.nasa.gov/apod/ap020206.html


#CosmicInfraredBackground #CIB #EarlyUniverse #2MASSTelescope #InfraredAstronomy #FirstStars #GalaxyFormation #Cosmology #Astrophysics #SpaceExploration

Chandra X-ray Observatory image of Abell 1795 galaxy cluster showcasing a cooling flow. Brighter areas indicate higher X-ray intensity, revealing gas condensing and cooling, potentially forming future stars. A large galaxy at the top appears to have created a wake in the cluster's gas.

Astronomy Picture from 08/12/2000

Abell 1795: A Galaxy Cluster's Cooling Flow

Source: https://apod.nasa.gov/apod/ap001208.html


#GalaxyClusters #ChandraXray #CoolingFlow #Abell1795 #SpaceScience #Astrophysics #XrayAstronomy #Cosmology #GalaxyFormation #DeepSpace

Infrared image data from the Spitzer Space Telescope showing possible light from the first generation of stars, which formed hundreds of times more massive than our Sun, approximately 13 billion years ago. The gray areas represent foreground stars from our Milky Way Galaxy that have been digitally removed. The image reveals a diffuse glow, suggesting the existence of these massive, early stars in the universe.

Astronomy Picture from 02/01/2007

Light from the First Stars

Source: https://apod.nasa.gov/apod/ap070102.html


#FirstStars #SpitzerSpaceTelescope #InfraredLight #Cosmology #EarlyUniverse #Astrophysics #SpaceExploration #AncientLight #BigBang #GalaxyFormation

Image shows a composite of observations from the Very Large Telescope (VLT) in Chile revealing a potentially record-breaking distant galaxy. The faint smudge of light, indicated by a circle, traveled 13.2 billion years to reach us, offering a glimpse into the early universe when it was less than 3% of its current age. The images include various filter views and close-ups for analysis, indicating a potential redshift of 10.

Astronomy Picture from 17/03/2004

Redshift 10: Evidence for a New Farthest Galaxy

Source: https://apod.nasa.gov/apod/ap040317.html


#FarthestGalaxy #Redshift10 #EarlyUniverse #Cosmology #VLT #Astronomy #Space #GalaxyFormation #DarkAges #RecordBreaking

Hubble Space Telescope image of galaxy cluster CL0024+1654 showcasing gravitational lensing. Multiple images of a beaded, blue, ring-like background galaxy are visible around the central yellow galaxies of the cluster, due to the cluster's gravity bending light. At least 33 images of 11 background galaxies are visible in this image demonstrating the power of gravitational lensing in deep space.

Astronomy Picture from 23/08/2015

Giant Cluster Bends, Breaks Images

Source: https://apod.nasa.gov/apod/ap150823.html


#GravitationalLens #GalaxyCluster #HubbleSpaceTelescope #CosmicLens #SpacePhenomena #Astronomy #Astrophysics #DeepSpace #GalaxyFormation #CL0024+1654