The Sun is constantly broadcasting information about its activity in the form of light waves. Find out why there's more to see than what meets the eye...

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.spectrum/the-electromagnetic-spectrum/