# The Medium Tier will enable the study of local galaxies, Milky Way stellar populations, and the…

![The Medium Tier will enable the study of local galaxies, Milky Way stellar populations, and the…](https://assets.science.nasa.gov/dynamicimage/assets/science/cds/svs/a010000/a014100/a014105/4K_D110.png?w=1600&fit=clip)

- Released: January 30, 2026
- Category: infographics
- Credit: NASA
- NASA source: https://science.nasa.gov/mission/roman-space-telescope/high-latitude-wide-area-survey-technical/
- Page: https://roman.mixinvisuals.com/image/pece480506f2c/the-medium-tier-will-enable-the-study-of-local-galaxies-milky-way-stellar/

The Medium Tier will enable the study of local galaxies, Milky Way stellar populations, and the relation between galaxies and dark matter over a vast span of redshifts via a 2400 deg 2 Y-, J-, and H-band imaging and grism spectroscopic survey.