Editing Galactic Structure (section)

== <span style="color: #FFFFFF;">Analyzing</span> ==
{| class="wikitable"
|+ Spiral vs. Elliptical Galaxies
! Feature !! Spiral !! Elliptical
|-
| Shape !! Disk / Arms !! Sphere / Oval
|-
| Gas & Dust !! High (Active star birth) !! Very Low (No new stars)
|-
| Star Age !! Mix of young (blue) and old (red) !! All old (red/yellow)
|-
| Rotation !! Organized rotation !! Random orbits (like a swarm of bees)
|}

'''The Concept of "Galactic Cannibalism"''': Galaxies grow by eating each other. When a large galaxy passes near a smaller one, its gravity pulls the smaller one apart and absorbs its stars. The Milky Way is currently "eating" several small dwarf galaxies. Analyzing these "streams" of stars helps us reconstruct the history of our galaxy's growth.
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