Σπειροειδείς γαλαξίες. Spiral Galaxies Compared to ellipticals, the spirals cover a distinctly smaller range in absolute magnitude (and mass). They are.
Unveiling a Supermassive Black Hole at the Center of Our Galaxy
High Angular Resolution Imaging of the Galactic Center Andrea Ghez University of California Los Angeles Collaborators E. E. Becklin, G. Duchene, S. Hornstein,
