AST-A100 | How Earth's Magnetic Shield Protects Us From the Sun

Discover how Earth’s magnetic field interacts with the solar wind and acts like a shield to protect Earth from damaging solar particles.

Play the Sun Lab: http://www.pbs.org/wgbh/nova/labs/lab/sun/

Find discussion questions and other resources in the Sun Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvsl.sci.space.magnetic/earths-magnetic-shield/