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

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

Products You May Like

Articles You May Like

Think your mom is too much? Bonobo mothers get really involved in their sons’ sex lives
Viral photos show a squirrel biting a snake in Texas. Don’t mess with squirrels
Scientists propose a wild idea for cleaning the atmosphere, and it would mean more CO2
Scientists might have just found where cannabis originally came from
A strange effect has been expanding the hidden underwater forests of the Arctic

Leave a Reply

Your email address will not be published. Required fields are marked *