#cosmological-simulations

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#dark-matter #local-group #cosmic-voids #galaxy-dynamics #early-universe #star-formation #nuclear-star-clusters
fromFuturism
2 days ago

Our Entire Galaxy Appears to Be Embedded in a Colossal Sheet of Dark Matter

The Milky Way - and in fact our entire galactic neighborhood known as the Local Group - appear to be lodged in a vast, extended "sheet" of dark matter flanked on each side by cosmic voids, new research suggests. The findings, described in a new study published in Nature Astronomy, could help explain the puzzling motion exhibited by our nearby galaxies, which seems to defy the gravitational influence of neighboring realms.
Science
Science
fromArs Technica
2 months ago

Runaway black hole mergers may have built supermassive black holes

Early dwarf galaxy formation featured multiple intense, clustered starbursts forming dense nuclear star clusters that could seed early supermassive black holes.
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