Galactic structure
The Stellar Halo
A vast, sparse, roughly spherical cloud of the Galaxy's oldest and most metal-poor stars, together with its globular clusters, reaching far beyond the disc. Built largely from the shredded remains of smaller galaxies, the stellar halo is the Milky Way's deep archaeological archive.
Galaxy, objects & concepts
Across the Galaxy
Knowledge connections
- Associated withThe Milky Way
- Associated withStellar Populations & Clusters
- Associated withStellar Streams
- Associated withStellar Streams
Sources
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.