Naked Science (2004– )
7.4/10
8

Earth's Invisible Shield 

Earth's magnetosphere, which shields us from deadly solar radiation is decaying rapidly. When it collapses, as Mars's did billions of years ago, Earth will be stripped of its atmosphere, ... See full summary »

Director:

Caius Julyan

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Cast

Episode cast overview:
Eric Meyers ... Himself - Narrator (voice)
Mario Acuna Mario Acuna ... Himself - NASA Goddard Flight Center (as Dr. Mario H. Acuña)
Daniel Lathrop Daniel Lathrop ... Himself - University of Maryland Professor (as Prof. Daniel P. Lathrop)
Peter Olson Peter Olson ... Himself - Professor of Geophysics (as Dr. Peter L. Olson)
Mimi Hill Mimi Hill ... Herself - Geophysics Lecturer (as Dr. Mimi Hill)
Jeremy Bloxham Jeremy Bloxham ... Himself - Mallinckrodt Professor of Geophysics (as Dr. Jeremy Bloxham)
Ben Weiss Ben Weiss ... Himself - Assistant Professor of Planetary Sciences (as Dr. Benjamin P. Weiss)
Neil Armstrong ... Himself - NASA Apollo XI Astronaut
Buzz Aldrin ... Himself - NASA Apollo XI Astronaut
Sten Odenwald Sten Odenwald ... Himself - Astronomer (as Dr. Sten F. Odenwald)
Gary Glatzmaier Gary Glatzmaier ... Himself - Professor of Earth and Planetary Sciences (as Professor Gary A. Glatzmaier)
Emilio Herrera-Bervera Emilio Herrera-Bervera ... Himself - Geophysicist (as Emilio Herrero-Bervera)
Richard Holland Richard Holland ... Himself - Biologist (as Dr. Richard A. Holland)
Nils Olsen Nils Olsen ... Himself - Adjunct Professor (as Prof. Nils Olsen)
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Storyline

Earth's magnetosphere, which shields us from deadly solar radiation is decaying rapidly. When it collapses, as Mars's did billions of years ago, Earth will be stripped of its atmosphere, water and life. This episode explores new evidence that the Earth's magnetic poles are on the verge of reversing. As it does, Earth's magnetosphere will weaken greatly for thousands of years, allowing solar radiation to penetrate to the Earth's surface. This will threaten many species, including man, with extinction. In 2010 three satellites will be launched to detect minute variations in field strength and identify any new areas of pole reversal. For mankind to survive, we must develop technological methods of protecting ourselves before this happens. Written by Christopher Kollerer

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Certificate:

TV-G
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Details

Country:

Canada | UK

Release Date:

18 September 2008 (USA) See more »

Company Credits

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