How can the orbits of satellite galaxies be used to pin down the mass of the Milky Way?
Can dark matter annihilation explain multi-wavelength observations of Andromeda’s galactic center?
What will new data from Gaia reveal about the formation and evolution of stellar streams in the Milky Way?
Will future telescopes reveal the nature of dark matter imprinted in the stellar streams stretched around our galaxy?
What can the smallest galaxies in the local Universe tell us about reionization?