Galaxy Rotation Curves Collapse onto One Curve Twice as Far Out as Before
Astronomers have directly extended the universal rotation curve of spiral galaxies to twice the optical radius using 105 high-quality HI ...
Tag: dark matter halos
Why the universe stopped making little red dots
A new Nature Astronomy study shows that little red dots vanish at low redshifts because their dark matter halos and ...
Dark Matter Halos Leave Only a Whisper on a Black Hole’s Spacetime
A new exact solution of the Einstein field equations shows that a Schwarzschild black hole embedded in a dark matter ...
Dark Matter Halos Leave Fingerprints in Gravitational Waves from Black Hole Orbits
A new theoretical study shows that a Hernquist dark matter halo and a black hole's magnetic charge leave competing, potentially ...
Ancient Echoes: Primordial Spin Signature Still Visible in Today’s Galaxies
New observations give the strongest test yet of tidal torque theory, showing that present-day galaxies retain a statistical memory of ...
JWST Finds a Pristine Corner of the Universe Where the First Stars Left Their Fingerprints
A JWST survey has uncovered a seventeen-galaxy overdensity near the end of reionization whose extreme metal poverty may preserve the ...
Fast Radio Bursts Reveal Suppressed Clustering of Matter Across the Cosmic Web
Using 114 localized fast radio bursts, astronomers have measured suppressed clustering of cosmic matter caused by galactic feedback, delivering constraints ...
Dwarf Galaxies’ Surprising Clustering Defies Models
In the vast cosmic web that weaves together galaxies and clusters across the universe, the distribution and clustering of galaxies ...
Are There Truly ‘Completely Dark’ Dark Matter Halos?
Every galaxy is believed to originate at the heart of a dark matter halo. These halos constitute a region filled ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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