Earth's Force Field
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Science Documentary hosted by Tim Berkett, published by National Geographic in 2009 - English narration
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Earth's Force Field The Earths magnetic field, the protector of all life on Earth is under constant attack from deadly cosmic radiation. This invisible shield that we live in is weakening in a region over the South Atlantic, leaving it exposed to potentially lethal radiation. Is the Earth losing its magnetic field and doomed to a fate similar to Mars? Many scientists believe the answer lies in paleomagnetic data, and that this weakening may be a precursor to a magnetic field reversal; scientists know Earth is long overdue. However, humans were not around when the last reversal took place, so what does this mean for life?
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[edit] Technical Specs
- Video Codec: XviD ISO MPEG-4
- Video Bitrate: 1951 kbps
- Video Resolution: 704 x 400
- Video Aspect Ratio: 1.760
- Frames Per Second: 25
- Audio Codec: 0x0055 MPEG-1 Layer 3
- Audio Bitrate: 128kb/s CBR 48000 Hz
- Audio Streams: 2
- Audio Languages: English
- RunTime Per Part: 46:58.Mins
- Number Of Parts: 1
- Part Size: 701 MB
- Subtitles: None
- Encoded by: Harry65
- Source: DVB-RIP
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[edit] Related Documentaries
- Inside Planet Earth
- When North Goes South
- Down To The Earth's Core
- Magnetic Storm
- Five Ways to Save the World
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Added by Harry65
