外语原版纪录片《 Earth's Force Field 》 - 纪录片1080P/720P/360P高清标清网盘迅雷下载

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外语原版纪录片《 Earth's Force Field 》 - 纪录片1080P/720P/360P高清标清网盘迅雷下载

Earth's Force Field






纪录片关键词：


Earth's Force Field,Documentary,Down To The Earth's Core,Five Ways to Save the World,Inside Planet Earth,Magnetic Storm,When North Goes South,Harry65,2009,English,National Geographic

Science,Tim Berkett,National Geographic,2009,English


纪录片内容简介：

General Information：
Science Documentary hosted by Tim Berkett, published by National Geographic in 2009- English narration

Information
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?


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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外语原版纪录片《 Earth's Force Field 》 - 纪录片1080P/720P/360P高清标清网盘迅雷下载

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