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Loading contentA 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.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
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