Large gravitationally bound systems of stars, gas and dust, classified by the Hubble sequences morphological classes: spiral, barred spiral, elliptical, lenticular and irregular or peculiar galaxies, plus dwarf and starburst variants and quasars as the visibly active nucleus of a distant galaxy. Belongs here: any entry whose defining scale is galactic. Does not belong here: a star cluster or nebula within a galaxy catalogued as its own entry, grouped under Star Clusters or Nebulae.
Facts
Comparison
Field Origin Era All Galaxies
Filter Results58 entries
Sources
1. Wikipedia: Galaxy
Wikimedia FoundationGalaxy, Observation history section, 1926 Hubble classification sentenceQuote, Galaxy, Observation history section, 1926 Hubble classification sentence
In 1926 Hubble produced a classification of galactic morphology that is used to this day.
Reader Challenges (0)
No disputes yet. Spotted an error or a better source? Open the first one.
Sign in to dispute this or suggest a correction.