#cosmic-voids

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#dark-matter #local-group #galaxy-dynamics #cosmological-simulations #nancy-grace-roman-space-telescope
fromFuturism
20 hours 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
fromFuturism
1 month ago

NASA Says It's Just Gonna Stare Into Cosmic Voids for a While

Cosmic voids, vast regions nearly empty of galaxies, could reveal properties of dark matter and dark energy via surveys by Nancy Grace Roman Space Telescope.
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