Why Earth's Magnetic Shield Matters
The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth. | For more How the Universe Works, visit http://science.discovery.com/tv-shows/how-the-universe-works/#mkcpgn=ytsci1
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Видео Why Earth's Magnetic Shield Matters канала Science Channel
Catch all new episodes of HOW THE UNIVERSE WORKS Wednesdays at 9/8c on Science Channel!
Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day. | http://bit.ly/SCI2YT
Download the TestTube app! | http://testu.be/1ndmmMq
Видео Why Earth's Magnetic Shield Matters канала Science Channel
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