Milky Way Resides on a Giant Dark Matter Sheet, Redrawing Local Cosmology
TL;DR Summary
New simulations suggest the Milky Way sits within a flat, sheet-like dark matter structure spanning tens of millions of light-years, damping inbound galaxy motions and solving long-standing mass and velocity discrepancies that spherical models could not explain. The sheet aligns with the Supergalactic Plane and implies a higher Local Group mass (~3.3 ± 0.6 trillion solar masses) within a broader anisotropic dark matter geometry that shapes the nearby cosmos and possibly early-universe structure.
- Scientists Discover the Milky Way Is Floating on a Vast Sheet of Dark Matter Stretching Millions of Light-Years The Daily Galaxy
- The mass distribution in and around the Local Group Nature
- Our Entire Galaxy Appears to Be Embedded in a Colossal Sheet of Dark Matter Yahoo
- The Cosmic Veil: How Dark Matter Sheets Could Reshape Our Understanding of Galactic Formation WebProNews
- Goodbye to the idea of empty space around the Milky Way—a study reveals that we live in a sheet of dark matter El Adelantado
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