How the Earth was Made (Season 2)
How the Earth was Made (Season 2) is a 13-part documentary television series aired on the History Channel, focusing on different geological features and processes of the Earth. The series examines some of the most well-known locations and geological phenomena in the world, including the Grand Canyon, Vesuvius, Sahara, the birth of the Earth, Yosemite, Death Valley, Everest, and the Pacific Ring of Fire. Using interviews with experts, geological evidence, and computer generated graphics, the series explains in an easy-to-understand way how those locations and geological phenomena have been shaped by the immensely powerful, and at times violent, forces of geology.
| Episode 12 - America's Ice Age |
A look at past Ice Age eras that Earth has experienced throughout its existence; how the slightest changes in the planet's orbit and angle of rotation can bring them about; how long they can last, and when the Earth will endure another.
| Related Links |
| Ice Age An ice age, or more precisely, a glacial age, is a period of long-term reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. |
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