How Old Is the Earth - Search Videos

How do we know the age of the Earth?

YouTubeMatt Parker

How do we know the age of the Earth?

The Earth is 4.54 billion years old, but how did scientists figure this out? In this video, I answer that question. Sources: Radiometric Dating: http://pubs.usgs.gov/gip/geotime/radiometric.html#table http://en.wikipedia.org/wiki/Radiometric_dating Age of the Earth: http://geomaps.wr.usgs.gov/parks/gtime/ageofearth.html http://en.wikipedia.org ...

116.7K viewsJul 18, 2014

Earth Formation

The Birth of Earth | 4.5 Billion Years Explained | Full Documentary | The Story of Our Planet

The Birth of Earth | 4.5 Billion Years Explained | Full Documentary | The Story of Our Planet

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The History & Evolution of Earth — 4.5 Billion Years in One Video

The History & Evolution of Earth — 4.5 Billion Years in One Video

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