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Geologic time scale hierarchy

Ancestors (15)

  1. Geologic time scale
  2. Earth science
  3. Earth
  4. Planet in the Solar System
  5. Solar System
  6. Orion Arm
  7. Arm of the Milky Way
  8. Milky Way
  9. Local group
  10. Virgo Supercluster
  11. Universe
  12. Astronomy
  13. Natural science
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