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Why do bars form in some spiral galaxies, but not in others?

  • Posted on September 14, 2026
  • By Astronomy
  • 0 Views
  • 1 min read
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Why do bars form in some spiral galaxies, but not in others?
Why do bars form in some spiral galaxies, but not in others?

Bars can form in any galaxy with ordered rotation; it is primarily the quantity of dark matter that controls whether a bar is present.
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Astronomy

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