Astrophysical object
Dark Matter Halo
Cosmology & UniverseStrong Evidence
Definition
An extended, roughly spherical cloud of dark matter within which a galaxy or cluster is embedded.
Scientific overview
In ΛCDM, galaxies form inside dark-matter halos whose gravity holds them together and sets their rotation. Halos merge and grow over cosmic time, seeding the cosmic web.
Rests on
Related scientists
Related topics
Knowledge connections
- Related toStructure Formation
- Related toDark Matter
- Depends onDark Matter
- Depends onStructure Formation
- Related toGalaxy Cluster
- Studied byVera Rubin
- Related toGalaxy Cluster
- Associated withThe Local Group
- Associated withThe Galactic Corona
Sources & references
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
- ESOEuropean Southern Observatory
Southern-hemisphere observatory data and imagery (VLT, ALMA partner).