[PDTV] National Geographic - Earths Force Field (2009) *MVGroup*

[zeus69]

National.Geographic.Earths.Force.Field.
PDTV.XviD.MP3.MVGroup






English | PDTV | AVI | XviD 704x400 1951Kbps 25fps | MP3 128Kbps 2CH 48KHz | 46mn 58s | 701 Mb
Genre: Documentary



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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