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Electric Quote by Jeremiah P. Ostriker

“There's no observational evidence that I know of that indicates electric and magnetic forces are important on cosmological scales.” quote by Jeremiah P. Ostriker
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“There's no observational evidence that I know of that indicates electric and magnetic forces are important on cosmological scales.”

Jeremiah P. Ostriker

About This Quote

Source Lecture: Cosmology Seminar, Princeton University, 2005

Large‑scale cosmic phenomena appear unaffected by electromagnetic forces, suggesting gravity dominates.

In simple terms: Gravity dominates on cosmic scales.

Key Takeaway

Consider gravity as primary force in cosmology.

Themes

cosmology physics scale

Mood

skeptical curious

Type

scientific theoretical

When to use this quote

  • galaxy formation
  • large‑scale structure
  • dark matter research

Key Concepts

gravity electromagnetism scale invariance

Questions to Reflect On

  • How would you test electromagnetic influence on cosmic scales?
  • What alternative forces could play a role?
A Different Perspective

Electromagnetic effects may be subtle but non‑zero.

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