Photometry (optics)
-
RUBIES finds many massive quiescent galaxies at 2 < z < 5 Spectroscopic observations confirm that massive quiescent galaxies were surprisingly common at redshifts 2-5, challenging galaxy formation simulations.
-
Three ultra-faint Milky Way satellite candidates identified Three ultra-faint Milky Way satellites identified in DELVE survey data, including the faintest known satellite in the outer halo and an ambiguous compact system.

