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The 12 pages that link to Missing satellites problem, each with the reason it gives.

• Dark matter haloRelated: Many low-mass halos may lack visible galaxies, complicating comparisons with observations.

• Galaxy evolutionRelated: Its resolution bears on how small galaxies form and survive over time.

• Galaxy rotation curveRelated: Small-galaxy rotation data help test the structure of low-mass halos.

• Galaxy formation and evolutionRelated: It tests how efficiently small halos turn gas into observable galaxies.

• Cold dark matterRelated: It tests whether cold dark matter predicts too many small halos or whether many remain unseen.

• Dwarf galaxyRelated: The abundance of faint dwarfs tests predictions for small dark matter halos.

• Galactic haloRelated: It asks why many predicted halo substructures lack visible galaxies.

• Tidal dwarf galaxyRelated: Tidal formation has been considered as one possible contributor to observed dwarf populations.

• Too-big-to-fail problemCompared with: It counts luminous satellites; too-big-to-fail focuses on the densities of the largest predicted subhalos.

• Low surface brightness galaxyRelated: Faint, diffuse systems may hide some galaxies absent from earlier counts.

• Formation and evolution of stars and galaxiesRelated: It tests how dark matter structure translates into luminous galaxy formation.

• Satellite galaxies of the Milky WayRelated: It asks why many predicted sites around the Milky Way contain no visible galaxy.