Related articles:
Milky Way
Whirlpool Galaxy
Elliptical galaxy
Andromeda Galaxy
List of galaxies
List of nearest galaxies
Globular cluster
Galaxy
Barred spiral galaxy
Sagittarius A*
Edwin Hubble
Galaxy formation and evolution
Key terms:
galaxy
spiral
arm
stars
gas
bulge
halo
galactic
orbits
spiral galaxy
disk
sa
density
gif
barred
dwarf
hubble
milky way
aligned
groove
spiral arms
observed
spheroid
clusters
astronomy
rotating
voids
our own
precession
galactic halo
gaseous
espiral
galaxia
gravitational
globular
interstellar
outgoing gas
whirlpool
irregular
gas clouds
elliptical galaxy
galactic bulge
gas in the arm
star formation
density wave theory
barred spiral galaxy
hubble sequence
galactic centre
galaxy morphological
supermassive black hole
Search external links cited by footnotes on Wikipedia page Spiral galaxy:
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