Science ❯ Astrophysics ❯ Galaxies
Dark Matter Supermassive Black Hole Formation Baryon Acoustic Oscillations Edwin Hubble Quasars Galaxy NGC 6505 Infrared Astronomy Chemical Composition Galaxy Cataloging Baryonic Acoustic Oscillations Spiral Galaxies Massive Stars Dark Matter Structures Galaxy Evolution Compact Galaxies Dwarf Galaxies Supermassive Black Holes LID-568
Spectra reveal light shaped by cold, dense gas that mimics stellar atmospheres.