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Geology: What Color was Ancient Earth?
Clip: Special | 1m 6sVideo has Closed Captions
If it wasn't green, what was it?
The Earth is more than four and a half billion years old. Learn more about what the Earth was like when it was young.
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by the 360 Immersive, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.
![Science Trek](https://image.pbs.org/contentchannels/uR88rxa-white-logo-41-zGZrjQE.png?format=webp&resize=200x)
Geology: What Color was Ancient Earth?
Clip: Special | 1m 6sVideo has Closed Captions
The Earth is more than four and a half billion years old. Learn more about what the Earth was like when it was young.
How to Watch Science Trek
Science Trek is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
![Science Trek](https://image.pbs.org/curate/2bc984e5-101b-457d-b711-13c3a3043211.jpg?format=webp&resize=860x)
Science Trek
Science Trek is a place where parents, kids, and educators can watch short, educational videos on a variety of science topics. Every Monday Science Trek releases a new video that introduces children to math, science, technology, engineering, and math (STEM) career potentials in a fun, informative way.Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipScience Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by the 360 Immersive, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.