What Are Sunspots?

Sun Spots mark areas where light is trapped. Powerful electromagnetic forces interrupt the convective motion that brings hot, inner materials to the sun s surface. The largest sunspots can be over 10 times the size of Earth. | http://science.discovery.com/tv-shows/how-the-universe-works/ Watch full episodes: http://bit.ly/HTUWFullEpisodes 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