The Sun is constantly blasting a huge amount of matter and energy into the solar system, creating "space weather" around our planet.

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

Find discussion questions for this video and other resources in the Sun Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvsl.sci.space.storm/solar-wind-and-storms/