Universe Expansion Calculator
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Universe Expansion Calculator

Calculate the expansion rate and age of the universe

📖 Universe Expansion

The Universe Expansion estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.

📊 Result

💡 Tips & Information

  • Age = 1 / Hâ‚€ (in appropriate units)
  • Current estimate: ~13.8 billion years
  • Faster expansion = younger universe
  • Dark energy affects expansion rate
  • Measured using CMB and supernovae
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