Earth’s Age - How We Know Earth is 4.55 Billion Years Old

Earth’s Age - How We Know Earth is 4.55 Billion Years Old

GEO GIRL via YouTube Direct link

Video Outline

1 of 12

1 of 12

Video Outline

Class Central Classrooms beta

YouTube playlists curated by Class Central.

Classroom Contents

Earth’s Age - How We Know Earth is 4.55 Billion Years Old

Automatically move to the next video in the Classroom when playback concludes

  1. 1 Video Outline
  2. 2 What is Absolute Dating?
  3. 3 What is a Radioactive Isotope?
  4. 4 How we use Half Lives to Date Rocks
  5. 5 ? How the Geologic Timescale was made
  6. 6 ? Early Estimates of Earth’s Age
  7. 7 ? After Radioactive Decay Discovery
  8. 8 Oldest Rocks on Earth
  9. 9 How we Know Earth is 4.5 Ga
  10. 10 How the Universe was Dated
  11. 11 Earth History Confirms Earth’s Age
  12. 12 Related Videos & References

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Someone learning on their laptop while sitting on the floor.