Analyzing Dark Matter Halos: Isothermal vs NFW Profiles
Jan 9, 2006 · The discussion centers on modeling dark matter halos, specifically comparing isothermal and NFW profiles for the Milky Way. The isothermal halo density equation is …
Do All Galaxies with Dark Matter Halos Have Flat Rotation Curves?
Aug 10, 2022 · Do all galaxies with dark matter halo have flat rotation curve?
Dark Matter Halo & Newton's Shell Theorem • Physics Forums
Feb 15, 2016 · I've read the postulate that there could be a huge spherical dark matter halo extending far beyond the edges of the Milky Way. However, according to Newton's shell …
What is the Meaning of Scale Radius in Spiral Galaxies?
Jun 17, 2005 · The discussion centers on the concept of "scale radius" in spiral galaxies, particularly in relation to dark matter and rotation curves. The scale radius is a critical …
What keeps dark matter in galactic halos? • Physics Forums
Jun 7, 2016 · The discussion centers on the behavior of dark matter in galactic halos, particularly why it does not clump like ordinary matter. Dark matter is theorized to form large spherical …
NFW Dark Matter Halos and Virial Radius - Physics Forums
Sep 5, 2014 · I've been working with NFW Dark Matter Halos recently. This is a particular density model for the halo developed by Navarro, Frenk, & White (NFW). The...
The average density of halo of non-baryonic dark matter?
Mar 26, 2015 · The discussion revolves around calculating the average density of a spherical halo of non-baryonic dark matter surrounding the galaxy, given its mass and radius. The original …
Is a galaxy's halo displaced dark matter? • Physics Forums
Apr 4, 2018 · Scientists Thought All Galaxies Had Dark Matter, but They Just Found One Without It Could dark matter fill 'empty' space, strongly interact with visible matter and be displaced by …
Potential energy of a particle within a dark matter halo
Jun 20, 2009 · Conventionally, the mass of a dark matter halo is taken to be the mass within the 'virial radius', which is defined in a number of different ways but typically (and sometimes …
Cosmology Forum - Physics Forums
Jan 27, 2018 · Join in expert discussion on topics revolving around cosmology. Cosmology is the origin, evolution, structure and eventual fate of the universe.