Saved by the Heliosphere

The sun s power reaches far beyond our solar system. Solar winds blow into the Kuiper Belt creating a giant bubble around our solar system protecting us from deadly cosmic rays. | http://science.discovery.com/tv-shows/how-the-universe-works/ Catch new episodes of HOW THE UNIVERSE WORKS Tuesdays at 10/9c on Science! 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